18027047600 has 30 divisors (see below), whose sum is σ = 43309982820. Its totient is φ = 7210818880.

The previous prime is 18027047587. The next prime is 18027047603. The reversal of 18027047600 is 674072081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18027047603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22533410 + ... + 22534209.

It is an arithmetic number, because the mean of its divisors is an integer number (1443666094).

Almost surely, 2^18027047600 is an apocalyptic number.

18027047600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18027047600 is an abundant number, since it is smaller than the sum of its proper divisors (25282935220).

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

18027047600 is a wasteful number, since it uses less digits than its factorization.

18027047600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45067637 (or 45067626 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 18027047600 in words is "eighteen billion, twenty-seven million, forty-seven thousand, six hundred".