18465080 has 16 divisors (see below), whose sum is σ = 41546520. Its totient is φ = 7386016.

The previous prime is 18465061. The next prime is 18465091. The reversal of 18465080 is 8056481.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 230774 + ... + 230853.

Almost surely, 2^18465080 is an apocalyptic number.

18465080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18465080 is an abundant number, since it is smaller than the sum of its proper divisors (23081440).

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

18465080 is a wasteful number, since it uses less digits than its factorization.

18465080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461638 (or 461634 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 18465080 is about 4297.1013485837. The cubic root of 18465080 is about 264.3121117325.

The spelling of 18465080 in words is "eighteen million, four hundred sixty-five thousand, eighty".