Alright, let's work through 40473184 times 51030731 step by step
40473184 × 51030731 = 51030731 × (40473184)
+ 51030731 × 4 producing 204122924
+ 51030731 × 80 which equals 4082458480
+ 51030731 × 100 giving us 5103073100
+ 51030731 × 3000 that results in 153092193000
+ 51030731 × 70000 which equals 3572151170000
+ 51030731 × 400000 that results in 20412292400000
+ 51030731 × 0000000 giving us 0
+ 51030731 × 40000000 that results in 2041229240000000

= 2065376165417504
