5139811044 has 48 divisors (see below), whose sum is σ = 13685593600. Its totient is φ = 1666964448.

The previous prime is 5139811043. The next prime is 5139811057. The reversal of 5139811044 is 4401189315.

5139811044 is a `hidden beast` number, since 513 + 98 + 1 + 10 + 44 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5139811043) 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, 639124 + ... + 647115.

Almost surely, 2^5139811044 is an apocalyptic number.

5139811044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5139811044 is an abundant number, since it is smaller than the sum of its proper divisors (8545782556).

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

5139811044 is a wasteful number, since it uses less digits than its factorization.

5139811044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1286289 (or 1286281 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 5139811044 is about 71692.4755047557. The cubic root of 5139811044 is about 1725.7678910116.

The spelling of 5139811044 in words is "five billion, one hundred thirty-nine million, eight hundred eleven thousand, forty-four".