50400333864 has 40 divisors (see below), whose sum is σ = 141167603610. Its totient is φ = 16800111072.

The previous prime is 50400333829. The next prime is 50400333889. The reversal of 50400333864 is 46833300405.

It can be written as a sum of positive squares in only one way, i.e., 33280704900 + 17119628964 = 182430^2 + 130842^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 38888499 + ... + 38889794.

Almost surely, 2^50400333864 is an apocalyptic number.

50400333864 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

50400333864 is an abundant number, since it is smaller than the sum of its proper divisors (90767269746).

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

50400333864 is a wasteful number, since it uses less digits than its factorization.

50400333864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77778311 (or 77778298 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 50400333864 in words is "fifty billion, four hundred million, three hundred thirty-three thousand, eight hundred sixty-four".