518710840392 has 128 divisors (see below), whose sum is σ = 1415994048000. Its totient is φ = 157697433600.

The previous prime is 518710840379. The next prime is 518710840457. The reversal of 518710840392 is 293048017815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2388417 + ... + 2596527.

It is an arithmetic number, because the mean of its divisors is an integer number (11062453500).

Almost surely, 2^518710840392 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 518710840392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (707997024000).

518710840392 is an abundant number, since it is smaller than the sum of its proper divisors (897283207608).

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

518710840392 is a wasteful number, since it uses less digits than its factorization.

518710840392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208327 (or 208323 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 518710840392 in words is "five hundred eighteen billion, seven hundred ten million, eight hundred forty thousand, three hundred ninety-two".