499560018 has 16 divisors (see below), whose sum is σ = 999383616. Its totient is φ = 166476080.

The previous prime is 499560007. The next prime is 499560041. The reversal of 499560018 is 810065994.

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, 20680 + ... + 37772.

It is an arithmetic number, because the mean of its divisors is an integer number (62461476).

Almost surely, 2^499560018 is an apocalyptic number.

499560018 is an abundant number, since it is smaller than the sum of its proper divisors (499823598).

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

499560018 is a wasteful number, since it uses less digits than its factorization.

499560018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21969.

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 499560018 is about 22350.8393130996. The cubic root of 499560018 is about 793.4676483662.

The spelling of 499560018 in words is "four hundred ninety-nine million, five hundred sixty thousand, eighteen".