180396788 has 48 divisors (see below), whose sum is σ = 373234176. Its totient is φ = 75212160.

The previous prime is 180396701. The next prime is 180396823. The reversal of 180396788 is 887693081.

It is a happy number.

It is a super-2 number, since 2×180396788² = 65086002241433888, which 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 15 ways as a sum of consecutive naturals, for example, 98045 + ... + 99867.

It is an arithmetic number, because the mean of its divisors is an integer number (7775712).

Almost surely, 2^180396788 is an apocalyptic number.

It is an amenable number.

180396788 is an abundant number, since it is smaller than the sum of its proper divisors (192837388).

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

180396788 is a wasteful number, since it uses less digits than its factorization.

180396788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2024 (or 2022 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 50.

The square root of 180396788 is about 13431.1871403834. The cubic root of 180396788 is about 565.0361926328.

The spelling of 180396788 in words is "one hundred eighty million, three hundred ninety-six thousand, seven hundred eighty-eight".