18432127824 has 40 divisors (see below), whose sum is σ = 51945088992. Its totient is φ = 5585493120.

The previous prime is 18432127801. The next prime is 18432127853. The reversal of 18432127824 is 42872123481.

It is a super-2 number, since 2×18432127824² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17454139 + ... + 17455194.

Almost surely, 2^18432127824 is an apocalyptic number.

It is an amenable number.

18432127824 is an abundant number, since it is smaller than the sum of its proper divisors (33512961168).

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

18432127824 is a wasteful number, since it uses less digits than its factorization.

18432127824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34909355 (or 34909349 counting only the distinct ones).

The product of its digits is 172032, while the sum is 42.

The spelling of 18432127824 in words is "eighteen billion, four hundred thirty-two million, one hundred twenty-seven thousand, eight hundred twenty-four".