Alright, let's work through 42484194 times 16756823 step by step
42484194 × 16756823 = 16756823 × (42484194)
+ 16756823 × 4 that equals 67027292
+ 16756823 × 90 which equals 1508114070
+ 16756823 × 100 what gives us 1675682300
+ 16756823 × 4000 producing 67027292000
+ 16756823 × 80000 producing 1340545840000
+ 16756823 × 400000 giving us 6702729200000
+ 16756823 × 2000000 resulting in 33513646000000
+ 16756823 × 40000000 what gives us 670272920000000

= 711900119155662
