5164044138 has 32 divisors (see below), whose sum is σ = 12518896320. Its totient is φ = 1564861680.

The previous prime is 5164044133. The next prime is 5164044169. The reversal of 5164044138 is 8314404615.

5164044138 is a `hidden beast` number, since 5 + 1 + 640 + 4 + 4 + 1 + 3 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (5164044133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4346245 + ... + 4347432.

It is an arithmetic number, because the mean of its divisors is an integer number (391215510).

Almost surely, 2^5164044138 is an apocalyptic number.

5164044138 is an abundant number, since it is smaller than the sum of its proper divisors (7354852182).

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

5164044138 is a wasteful number, since it uses less digits than its factorization.

5164044138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8693699 (or 8693693 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 5164044138 is about 71861.2839991048. The cubic root of 5164044138 is about 1728.4758467202.

The spelling of 5164044138 in words is "five billion, one hundred sixty-four million, forty-four thousand, one hundred thirty-eight".