180239539872 has 48 divisors (see below), whose sum is σ = 540718621632. Its totient is φ = 51497011200.

The previous prime is 180239539871. The next prime is 180239539913. The reversal of 180239539872 is 278935932081.

It is a happy number.

180239539872 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (180239539871) 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, 134106129 + ... + 134107472.

It is an arithmetic number, because the mean of its divisors is an integer number (11264971284).

Almost surely, 2^180239539872 is an apocalyptic number.

180239539872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180239539872 is an abundant number, since it is smaller than the sum of its proper divisors (360479081760).

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

180239539872 is a wasteful number, since it uses less digits than its factorization.

180239539872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268213621 (or 268213613 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 180239539872 in words is "one hundred eighty billion, two hundred thirty-nine million, five hundred thirty-nine thousand, eight hundred seventy-two".