180328456 has 64 divisors (see below), whose sum is σ = 426746880. Its totient is φ = 69391680.

The previous prime is 180328433. The next prime is 180328493. The reversal of 180328456 is 654823081.

It is a happy number.

180328456 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 49365 + ... + 52891.

It is an arithmetic number, because the mean of its divisors is an integer number (6667920).

Almost surely, 2^180328456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180328456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213373440).

180328456 is an abundant number, since it is smaller than the sum of its proper divisors (246418424).

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

180328456 is a wasteful number, since it uses less digits than its factorization.

180328456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3634 (or 3630 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 180328456 is about 13428.6431183497. The cubic root of 180328456 is about 564.9648407912.

The spelling of 180328456 in words is "one hundred eighty million, three hundred twenty-eight thousand, four hundred fifty-six".