50450390774784 has 2376 divisors, whose sum is σ = 200212427076480. Its totient is φ = 11971062005760.

The previous prime is 50450390774747. The next prime is 50450390774801. The reversal of 50450390774784 is 48747709305405.

50450390774784 is a `hidden beast` number, since 5 + 0 + 4 + 5 + 0 + 3 + 90 + 77 + 478 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 220307383182 + ... + 220307383410.

Almost surely, 2^{50450390774784} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50450390774784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100106213538240).

50450390774784 is an abundant number, since it is smaller than the sum of its proper divisors (149762036301696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50450390774784 is a wasteful number, since it uses less digits than its factorization.

50450390774784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 118540800, while the sum is 63.

The spelling of 50450390774784 in words is "fifty trillion, four hundred fifty billion, three hundred ninety million, seven hundred seventy-four thousand, seven hundred eighty-four".