Let's divide 4144485 by 640
We want to figure out the number of times 4144485 can be divided by 640.

On to step 1:
The number 640 fits into 4 0 times, leaving a remainder of 4.
The number 0 becomes the next digit in our result. 
Result so far: 0.0
Subtracting 0 from 4 leaves us with 4.
Bring next digit (1) of the dividend behind the 4 and repeat the process: 41 / 640

Moving on to step 2:
41 divided by 640 is 0 with a remainder of 41.
Write down 0 as next digit of the result. 
Result so far: 0.0
If we take 0 away from 41, we end up with 41.
Take the next digit (4) from the dividend and append it to 41, then repeat: 414 / 640

Going ahead to step 3:
414 divided by 640 is 0 with a remainder of 414.
Use 0 as the next digit of our solution. 
Result so far: 0.0
If we subtract 0 from 414, we get 414.
Take the next digit (4) from the dividend and append it to 414, then repeat: 4144 / 640

On to step 4:
4144 divided by 640 is 6 with a remainder of 304.
The next digit of our result is 6. 
Result so far: 6.0
If we subtract 3840 from 4144, we get 304.
Grab the next digit (4) from the dividend, add it to 304, then carry on: 3044 / 640

Going ahead to step 5:
640 can be fit into 3044 4 times, resulting in a remainder of 484.
Put 4 as the next digit of the answer. 
Result so far: 64.0
Deduct 2560 from 3044 and we're left with 484.
Include the next digit (8) from the dividend after 484, then repeat: 4848 / 640

Advancing to step 6:
640 goes into 4848 7 times with a remainder of 368.
The next digit of our result is 7. 
Result so far: 647.0
Deduct 4480 from 4848 and we're left with 368.
Fetch the next digit (5) from the dividend, attach it to 368 and continue: 3685 / 640

Advancing to step 7:
640 can be fit into 3685 5 times, resulting in a remainder of 485.
Record the quotient 5 as the next digit in the result. 
Result so far: 6475.0
Deduct 3200 from 3685 and we're left with 485.
Since there are no more digits in the dividend, we add a zero to the remainder making it 4850, and continue the process.

Going ahead to step 8:
640 goes into 4850 7 times with a remainder of 370.
Record the quotient 7 as the next digit in the result. 
Result so far: 6475.7
The remainder is 370 after subtracting 4480 from 4850.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3700, and continue the process.

Let's proceed to step 9:
3700 divided by 640 is 5 with a remainder of 500.
Put 5 as the next digit of the answer. 
Result so far: 6475.75
Deduct 3200 from 3700 and we're left with 500.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5000, and continue the process.

Step 10:
The number 640 fits into 5000 7 times, leaving a remainder of 520.
The number 7 becomes the next digit in our result. 
Result so far: 6475.757
Subtract 4480 from 5000 to get 520.
Since there are no more digits in the dividend, we add a zero to the remainder making it 5200, and continue the process.

Moving on to step 11:
The number 640 fits into 5200 8 times, leaving a remainder of 80.
Record the quotient 8 as the next digit in the result. 
Result so far: 6475.7578
Subtract 5120 from 5200 to get 80.
Since there are no more digits in the dividend, we add a zero to the remainder making it 800, and continue the process.

Step 12:
640 goes into 800 1 times with a remainder of 160.
The number 1 becomes the next digit in our result. 
Result so far: 6475.75781
Subtract 640 from 800 to get 160.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1600, and continue the process.

Advancing to step 13:
If we divide 1600 by 640, we get 2 and a remainder of 320.
Use 2 as the next digit of our solution. 
Result so far: 6475.757812
The remainder is 320 after subtracting 1280 from 1600.
Since there are no more digits in the dividend, we add a zero to the remainder making it 3200, and continue the process.

On to step 14:
The number 640 fits into 3200 5 times, leaving a remainder of 0.
Write down 5 as next digit of the result. 
Result so far: 6475.7578125
Subtracting 3200 from 3200 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

Going ahead to step 15:
The number 640 fits into 0 0 times, leaving a remainder of 0.
The number 0 becomes the next digit in our result. 
Result so far: 6475.7578125
Subtracting 0 from 0 leaves us with 0.
Since there are no more digits in the dividend, we add a zero to the remainder making it 0, and continue the process.

After the division, we end up with 6475.7578125 and a remainder of 0.0.