Alright, let's work through 45063654 times 39252453 step by step
45063654 × 39252453 = 39252453 × (45063654)
+ 39252453 × 4 what gives us 157009812
+ 39252453 × 50 what gives us 1962622650
+ 39252453 × 600 producing 23551471800
+ 39252453 × 3000 that results in 117757359000
+ 39252453 × 60000 that is equal 2355147180000
+ 39252453 × 000000 that equals 0
+ 39252453 × 5000000 producing 196262265000000
+ 39252453 × 40000000 resulting in 1570098120000000

= 1768858960643262
