Alright, let's work through 45386461 times 8371513 step by step
45386461 × 8371513 = 8371513 × (45386461)
+ 8371513 × 1 giving us 8371513
+ 8371513 × 60 producing 502290780
+ 8371513 × 400 giving us 3348605200
+ 8371513 × 6000 yielding 50229078000
+ 8371513 × 80000 giving us 669721040000
+ 8371513 × 300000 which equals 2511453900000
+ 8371513 × 5000000 that equals 41857565000000
+ 8371513 × 40000000 that results in 334860520000000

= 379953348285493
