180859056 has 80 divisors (see below), whose sum is σ = 565392384. Its totient is φ = 48632832.

The previous prime is 180859037. The next prime is 180859067. The reversal of 180859056 is 650958081.

It is a super-2 number, since 2×180859056² = 65419996274422272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a zygodrome in base 5.

It is a junction number, because it is equal to n+sod(n) for n = 180858999 and 180859017.

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, 10120 + ... + 21543.

Almost surely, 2^180859056 is an apocalyptic number.

180859056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180859056 is an abundant number, since it is smaller than the sum of its proper divisors (384533328).

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

180859056 is a wasteful number, since it uses less digits than its factorization.

180859056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31698 (or 31692 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 180859056 is about 13448.3848844387. The cubic root of 180859056 is about 565.5184173319.

The spelling of 180859056 in words is "one hundred eighty million, eight hundred fifty-nine thousand, fifty-six".