518116928 has 56 divisors (see below), whose sum is σ = 1236878400. Its totient is φ = 210359808.

The previous prime is 518116927. The next prime is 518116931. The reversal of 518116928 is 829611815.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (518116927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21923 + ... + 38946.

Almost surely, 2^518116928 is an apocalyptic number.

It is an amenable number.

518116928 is an abundant number, since it is smaller than the sum of its proper divisors (718761472).

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

518116928 is a wasteful number, since it uses less digits than its factorization.

518116928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60907 (or 60897 counting only the distinct ones).

The product of its digits is 34560, while the sum is 41.

The square root of 518116928 is about 22762.1819692225. The cubic root of 518116928 is about 803.1732960969.

The spelling of 518116928 in words is "five hundred eighteen million, one hundred sixteen thousand, nine hundred twenty-eight".