18252040204 has 48 divisors (see below), whose sum is σ = 32728450048. Its totient is φ = 8904204288.

The previous prime is 18252040199. The next prime is 18252040223. The reversal of 18252040204 is 40204025281.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21397042 + ... + 21397894.

Almost surely, 2^18252040204 is an apocalyptic number.

It is an amenable number.

18252040204 is a deficient number, since it is larger than the sum of its proper divisors (14476409844).

18252040204 is a wasteful number, since it uses less digits than its factorization.

18252040204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1634 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 18252040204 its reverse (40204025281), we get a palindrome (58456065485).

The spelling of 18252040204 in words is "eighteen billion, two hundred fifty-two million, forty thousand, two hundred four".