18042317797084 has 24 divisors (see below), whose sum is σ = 37059896017760. Its totient is φ = 7523437536576.

The previous prime is 18042317797003. The next prime is 18042317797087. The reversal of 18042317797084 is 48079771324081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18042317797087) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8707681299 + ... + 8707683370.

Almost surely, 2^{18042317797084} is an apocalyptic number.

18042317797084 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

18042317797084 is an abundant number, since it is smaller than the sum of its proper divisors (19017578220676).

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

18042317797084 is a wasteful number, since it uses less digits than its factorization.

18042317797084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17415364717 (or 17415364715 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 61.

The spelling of 18042317797084 in words is "eighteen trillion, forty-two billion, three hundred seventeen million, seven hundred ninety-seven thousand, eighty-four".