518582442 has 16 divisors (see below), whose sum is σ = 1185331392. Its totient is φ = 148166400.

The previous prime is 518582429. The next prime is 518582459. The reversal of 518582442 is 244285815.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 518582442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6173559 + ... + 6173642.

It is an arithmetic number, because the mean of its divisors is an integer number (74083212).

Almost surely, 2^518582442 is an apocalyptic number.

518582442 is an abundant number, since it is smaller than the sum of its proper divisors (666748950).

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

518582442 is a wasteful number, since it uses less digits than its factorization.

518582442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12347213.

The product of its digits is 102400, while the sum is 39.

The square root of 518582442 is about 22772.4052748057. The cubic root of 518582442 is about 803.4137672295.

The spelling of 518582442 in words is "five hundred eighteen million, five hundred eighty-two thousand, four hundred forty-two".