Alright, let's work through 45485049 times 39658776 step by step
45485049 × 39658776 = 39658776 × (45485049)
+ 39658776 × 9 that equals 356928984
+ 39658776 × 40 producing 1586351040
+ 39658776 × 000 giving us 0
+ 39658776 × 5000 yielding 198293880000
+ 39658776 × 80000 what gives us 3172702080000
+ 39658776 × 400000 producing 15863510400000
+ 39658776 × 5000000 that equals 198293880000000
+ 39658776 × 40000000 which equals 1586351040000000

= 1803881369640024
