Alright, let's work through 41873694 times 13172103 step by step
41873694 × 13172103 = 13172103 × (41873694)
+ 13172103 × 4 which equals 52688412
+ 13172103 × 90 resulting in 1185489270
+ 13172103 × 600 that results in 7903261800
+ 13172103 × 3000 that results in 39516309000
+ 13172103 × 70000 that results in 922047210000
+ 13172103 × 800000 that equals 10537682400000
+ 13172103 × 1000000 that results in 13172103000000
+ 13172103 × 40000000 producing 526884120000000

= 551564610358482
