Alright, let's work through 41564640 times 99497943 step by step
41564640 × 99497943 = 99497943 × (41564640)
+ 99497943 × 0 that equals 0
+ 99497943 × 40 that results in 3979917720
+ 99497943 × 600 producing 59698765800
+ 99497943 × 4000 giving us 397991772000
+ 99497943 × 60000 that results in 5969876580000
+ 99497943 × 500000 resulting in 49748971500000
+ 99497943 × 1000000 giving us 99497943000000
+ 99497943 × 40000000 producing 3979917720000000

= 4135596181535520
