Alright, let's work through 18494769 times 45440993 step by step
18494769 × 45440993 = 45440993 × (18494769)
+ 45440993 × 9 that results in 408968937
+ 45440993 × 60 giving us 2726459580
+ 45440993 × 700 that results in 31808695100
+ 45440993 × 4000 resulting in 181763972000
+ 45440993 × 90000 resulting in 4089689370000
+ 45440993 × 400000 giving us 18176397200000
+ 45440993 × 8000000 yielding 363527944000000
+ 45440993 × 10000000 producing 454409930000000

= 840420668665617
