Alright, let's work through 40100418 times 86672736 step by step
40100418 × 86672736 = 86672736 × (40100418)
+ 86672736 × 8 resulting in 693381888
+ 86672736 × 10 that is equal 866727360
+ 86672736 × 400 yielding 34669094400
+ 86672736 × 0000 yielding 0
+ 86672736 × 00000 yielding 0
+ 86672736 × 100000 which equals 8667273600000
+ 86672736 × 0000000 that is equal 0
+ 86672736 × 40000000 that is equal 3466909440000000

= 3475612942803648
