518378772 has 48 divisors (see below), whose sum is σ = 1222118912. Its totient is φ = 171007200.

The previous prime is 518378771. The next prime is 518378797. The reversal of 518378772 is 277873815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518378771) 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, 947403 + ... + 947949.

Almost surely, 2^518378772 is an apocalyptic number.

It is an amenable number.

518378772 is an abundant number, since it is smaller than the sum of its proper divisors (703740140).

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

518378772 is a wasteful number, since it uses less digits than its factorization.

518378772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228 (or 1226 counting only the distinct ones).

The product of its digits is 658560, while the sum is 48.

The square root of 518378772 is about 22767.9329760082. The cubic root of 518378772 is about 803.3085748851.

The spelling of 518378772 in words is "five hundred eighteen million, three hundred seventy-eight thousand, seven hundred seventy-two".