Alright, let's work through 42544105 times 42349869 step by step
42544105 × 42349869 = 42349869 × (42544105)
+ 42349869 × 5 what gives us 211749345
+ 42349869 × 00 yielding 0
+ 42349869 × 100 which equals 4234986900
+ 42349869 × 4000 which equals 169399476000
+ 42349869 × 40000 yielding 1693994760000
+ 42349869 × 500000 that equals 21174934500000
+ 42349869 × 2000000 that results in 84699738000000
+ 42349869 × 40000000 what gives us 1693994760000000

= 1801737273472245
