18042652 has 12 divisors (see below), whose sum is σ = 31974880. Its totient is φ = 8906976.

The previous prime is 18042599. The next prime is 18042653. The reversal of 18042652 is 25624081.

It is a self number, because there is not a number n which added to its sum of digits gives 18042652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18042653) 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, 28233 + ... + 28864.

Almost surely, 2^18042652 is an apocalyptic number.

It is an amenable number.

18042652 is a deficient number, since it is larger than the sum of its proper divisors (13932228).

18042652 is a wasteful number, since it uses less digits than its factorization.

18042652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57180 (or 57178 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 18042652 is about 4247.6642993532. The cubic root of 18042652 is about 262.2809758810.

The spelling of 18042652 in words is "eighteen million, forty-two thousand, six hundred fifty-two".