5129394432 has 144 divisors (see below), whose sum is σ = 14575518720. Its totient is φ = 1596672000.

The previous prime is 5129394379. The next prime is 5129394437. The reversal of 5129394432 is 2344939215.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5129394437) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1033557 + ... + 1038507.

It is an arithmetic number, because the mean of its divisors is an integer number (101218880).

Almost surely, 2^5129394432 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 5129394432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7287759360).

5129394432 is an abundant number, since it is smaller than the sum of its proper divisors (9446124288).

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

5129394432 is a wasteful number, since it uses less digits than its factorization.

5129394432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060 (or 5046 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 5129394432 is about 71619.7907843914. The cubic root of 5129394432 is about 1724.6012584768.

The spelling of 5129394432 in words is "five billion, one hundred twenty-nine million, three hundred ninety-four thousand, four hundred thirty-two".