18042604468 has 24 divisors (see below), whose sum is σ = 36623797952. Its totient is φ = 7617132864.

The previous prime is 18042604439. The next prime is 18042604471. The reversal of 18042604468 is 86440624081.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806921 + ... + 4810672.

Almost surely, 2^18042604468 is an apocalyptic number.

It is an amenable number.

18042604468 is an abundant number, since it is smaller than the sum of its proper divisors (18581193484).

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

18042604468 is a wasteful number, since it uses less digits than its factorization.

18042604468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617671 (or 9617669 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 43.

The spelling of 18042604468 in words is "eighteen billion, forty-two million, six hundred four thousand, four hundred sixty-eight".