18412080 has 40 divisors (see below), whose sum is σ = 57078192. Its totient is φ = 4909824.

The previous prime is 18412061. The next prime is 18412081. The reversal of 18412080 is 8021481.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is a self number, because there is not a number n which added to its sum of digits gives 18412080.

It is not an unprimeable number, because it can be changed into a prime (18412081) 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, 38119 + ... + 38598.

Almost surely, 2^18412080 is an apocalyptic number.

18412080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18412080 is an abundant number, since it is smaller than the sum of its proper divisors (38666112).

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

18412080 is a wasteful number, since it uses less digits than its factorization.

18412080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76733 (or 76727 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 18412080 is about 4290.9299691326. The cubic root of 18412080 is about 264.0589859014.

The spelling of 18412080 in words is "eighteen million, four hundred twelve thousand, eighty".