18453045504 has 36 divisors (see below), whose sum is σ = 49112013776. Its totient is φ = 6151014912.

The previous prime is 18453045493. The next prime is 18453045511. The reversal of 18453045504 is 40554035481.

It is a super-2 number, since 2×18453045504² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12012934 + ... + 12014469.

Almost surely, 2^18453045504 is an apocalyptic number.

It is an amenable number.

18453045504 is an abundant number, since it is smaller than the sum of its proper divisors (30658968272).

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

18453045504 is an equidigital number, since it uses as much as digits as its factorization.

18453045504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24027422 (or 24027408 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 18453045504 in words is "eighteen billion, four hundred fifty-three million, forty-five thousand, five hundred four".