518402864 has 40 divisors (see below), whose sum is σ = 1148974080. Its totient is φ = 221963328.

The previous prime is 518402861. The next prime is 518402873. The reversal of 518402864 is 468204815.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (518402861) 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, 202907 + ... + 205445.

It is an arithmetic number, because the mean of its divisors is an integer number (28724352).

Almost surely, 2^518402864 is an apocalyptic number.

It is an amenable number.

518402864 is an abundant number, since it is smaller than the sum of its proper divisors (630571216).

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

518402864 is a wasteful number, since it uses less digits than its factorization.

518402864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4377 (or 4371 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The square root of 518402864 is about 22768.4620473145. The cubic root of 518402864 is about 803.3210194601.

The spelling of 518402864 in words is "five hundred eighteen million, four hundred two thousand, eight hundred sixty-four".