18042528 has 48 divisors (see below), whose sum is σ = 54129600. Its totient is φ = 5154816.

The previous prime is 18042503. The next prime is 18042547. The reversal of 18042528 is 82524081.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 18042495 and 18042504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12753 + ... + 14096.

It is an arithmetic number, because the mean of its divisors is an integer number (1127700).

Almost surely, 2^18042528 is an apocalyptic number.

It is an amenable number.

18042528 is an abundant number, since it is smaller than the sum of its proper divisors (36087072).

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

18042528 is a wasteful number, since it uses less digits than its factorization.

18042528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26869 (or 26861 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 18042528 is about 4247.6497030711. The cubic root of 18042528 is about 262.2803750285.

The spelling of 18042528 in words is "eighteen million, forty-two thousand, five hundred twenty-eight".