50640904470528 has 600 divisors, whose sum is σ = 152751484919880. Its totient is φ = 16718537687040.

The previous prime is 50640904470509. The next prime is 50640904470551. The reversal of 50640904470528 is 82507440904605.

50640904470528 is a `hidden beast` number, since 5 + 0 + 6 + 4 + 0 + 9 + 0 + 44 + 70 + 528 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26091337089024 + 24549567381504 = 5107968^2 + 4954752^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85397815000 + ... + 85397815592.

Almost surely, 2^{50640904470528} 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 50640904470528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76375742459940).

50640904470528 is an abundant number, since it is smaller than the sum of its proper divisors (102110580449352).

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

50640904470528 is an equidigital number, since it uses as much as digits as its factorization.

50640904470528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1108 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 54.

The spelling of 50640904470528 in words is "fifty trillion, six hundred forty billion, nine hundred four million, four hundred seventy thousand, five hundred twenty-eight".