Alright, let's work through 516454 times 49343423 step by step
516454 × 49343423 = 49343423 × (516454)
+ 49343423 × 4 what gives us 197373692
+ 49343423 × 50 which equals 2467171150
+ 49343423 × 400 that equals 19737369200
+ 49343423 × 6000 producing 296060538000
+ 49343423 × 10000 which equals 493434230000
+ 49343423 × 500000 that equals 24671711500000

= 25483608182042
