18104480 has 24 divisors (see below), whose sum is σ = 42772212. Its totient is φ = 7241728.

The previous prime is 18104467. The next prime is 18104483. The reversal of 18104480 is 8440181.

It can be written as a sum of positive squares in 2 ways, for example, as 17405584 + 698896 = 4172^2 + 836^2 .

It is not an unprimeable number, because it can be changed into a prime (18104483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56417 + ... + 56736.

Almost surely, 2^18104480 is an apocalyptic number.

18104480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18104480 is an abundant number, since it is smaller than the sum of its proper divisors (24667732).

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

18104480 is a wasteful number, since it uses less digits than its factorization.

18104480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113168 (or 113160 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 18104480 is about 4254.9359572149. The cubic root of 18104480 is about 262.5802264232.

The spelling of 18104480 in words is "eighteen million, one hundred four thousand, four hundred eighty".