Alright, let's work through 40751872 times 84363587 step by step
40751872 × 84363587 = 84363587 × (40751872)
+ 84363587 × 2 what gives us 168727174
+ 84363587 × 70 which equals 5905451090
+ 84363587 × 800 resulting in 67490869600
+ 84363587 × 1000 which equals 84363587000
+ 84363587 × 50000 giving us 4218179350000
+ 84363587 × 700000 resulting in 59054510900000
+ 84363587 × 0000000 producing 0
+ 84363587 × 40000000 giving us 3374543480000000

= 3437974098884864
