Alright, let's work through 4640 times 1010 step by step
4640 × 1010 = 1010 × (4640)
+ 1010 × 0 resulting in 0
+ 1010 × 40 that is equal 40400
+ 1010 × 600 that is equal 606000
+ 1010 × 4000 that equals 4040000

= 4686400
