518884490 has 32 divisors (see below), whose sum is σ = 985115520. Its totient is φ = 196236864.

The previous prime is 518884481. The next prime is 518884517. The reversal of 518884490 is 94488815.

It is a happy number.

It is a super-2 number, since 2×518884490² = 538482227925120200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103379 + ... + 108281.

It is an arithmetic number, because the mean of its divisors is an integer number (30784860).

Almost surely, 2^518884490 is an apocalyptic number.

518884490 is a deficient number, since it is larger than the sum of its proper divisors (466231030).

518884490 is a wasteful number, since it uses less digits than its factorization.

518884490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5486.

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 518884490 is about 22779.0361955900. The cubic root of 518884490 is about 803.5697195609.

The spelling of 518884490 in words is "five hundred eighteen million, eight hundred eighty-four thousand, four hundred ninety".