18080232 has 32 divisors (see below), whose sum is σ = 45304800. Its totient is φ = 6012864.

The previous prime is 18080203. The next prime is 18080233. The reversal of 18080232 is 23208081.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (18080233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20178 + ... + 21054.

It is an arithmetic number, because the mean of its divisors is an integer number (1415775).

Almost surely, 2^18080232 is an apocalyptic number.

18080232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18080232 is an abundant number, since it is smaller than the sum of its proper divisors (27224568).

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

18080232 is a wasteful number, since it uses less digits than its factorization.

18080232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745 (or 1741 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 18080232 is about 4252.0856059115. The cubic root of 18080232 is about 262.4629462438.

The spelling of 18080232 in words is "eighteen million, eighty thousand, two hundred thirty-two".