518932812 has 12 divisors (see below), whose sum is σ = 1210843256. Its totient is φ = 172977600.

The previous prime is 518932811. The next prime is 518932829. The reversal of 518932812 is 218239815.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (518932811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21622189 + ... + 21622212.

Almost surely, 2^518932812 is an apocalyptic number.

It is an amenable number.

518932812 is an abundant number, since it is smaller than the sum of its proper divisors (691910444).

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

518932812 is a wasteful number, since it uses less digits than its factorization.

518932812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43244408 (or 43244406 counting only the distinct ones).

The product of its digits is 34560, while the sum is 39.

The square root of 518932812 is about 22780.0968391269. The cubic root of 518932812 is about 803.5946633852.

The spelling of 518932812 in words is "five hundred eighteen million, nine hundred thirty-two thousand, eight hundred twelve".