518768492 has 24 divisors (see below), whose sum is σ = 995924160. Its totient is φ = 234482960.

The previous prime is 518768491. The next prime is 518768543. The reversal of 518768492 is 294867815.

It is a self number, because there is not a number n which added to its sum of digits gives 518768492.

It is not an unprimeable number, because it can be changed into a prime (518768491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25058 + ... + 40809.

It is an arithmetic number, because the mean of its divisors is an integer number (41496840).

Almost surely, 2^518768492 is an apocalyptic number.

It is an amenable number.

518768492 is a deficient number, since it is larger than the sum of its proper divisors (477155668).

518768492 is a wasteful number, since it uses less digits than its factorization.

518768492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66061 (or 66059 counting only the distinct ones).

The product of its digits is 967680, while the sum is 50.

The square root of 518768492 is about 22776.4898963822. The cubic root of 518768492 is about 803.5098350529.

The spelling of 518768492 in words is "five hundred eighteen million, seven hundred sixty-eight thousand, four hundred ninety-two".