18024480 has 72 divisors (see below), whose sum is σ = 61513452. Its totient is φ = 4806144.

The previous prime is 18024469. The next prime is 18024493. The reversal of 18024480 is 8442081.

18024480 is a `hidden beast` number, since 180 + 2 + 4 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 17338896 + 685584 = 4164^2 + 828^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4819 + ... + 7698.

Almost surely, 2^18024480 is an apocalyptic number.

18024480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18024480 is an abundant number, since it is smaller than the sum of its proper divisors (43488972).

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

18024480 is a wasteful number, since it uses less digits than its factorization.

18024480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12538 (or 12527 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 18024480 is about 4245.5247025544. The cubic root of 18024480 is about 262.1928925456.

The spelling of 18024480 in words is "eighteen million, twenty-four thousand, four hundred eighty".