Alright, let's work through 40800563 times 34439148 step by step
40800563 × 34439148 = 34439148 × (40800563)
+ 34439148 × 3 that equals 103317444
+ 34439148 × 60 that is equal 2066348880
+ 34439148 × 500 yielding 17219574000
+ 34439148 × 0000 which equals 0
+ 34439148 × 00000 that equals 0
+ 34439148 × 800000 that equals 27551318400000
+ 34439148 × 0000000 producing 0
+ 34439148 × 40000000 that is equal 1377565920000000

= 1405136627640324
