180339328 has 32 divisors (see below), whose sum is σ = 386909460. Its totient is φ = 83232768.

The previous prime is 180339323. The next prime is 180339331. The reversal of 180339328 is 823933081.

It can be written as a sum of positive squares in 2 ways, for example, as 132894784 + 47444544 = 11528^2 + 6888^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a zygodrome in base 4.

It is not an unprimeable number, because it can be changed into a prime (180339323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52525 + ... + 55852.

Almost surely, 2^180339328 is an apocalyptic number.

It is an amenable number.

180339328 is an abundant number, since it is smaller than the sum of its proper divisors (206570132).

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

180339328 is a wasteful number, since it uses less digits than its factorization.

180339328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108404 (or 108392 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 180339328 is about 13429.0479185980. The cubic root of 180339328 is about 564.9761944704.

The spelling of 180339328 in words is "one hundred eighty million, three hundred thirty-nine thousand, three hundred twenty-eight".