180352880 has 20 divisors (see below), whose sum is σ = 419320632. Its totient is φ = 72141120.

The previous prime is 180352871. The next prime is 180352937. The reversal of 180352880 is 88253081.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×180352880² = 65054322648588800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 180352880.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1127126 + ... + 1127285.

Almost surely, 2^180352880 is an apocalyptic number.

180352880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180352880 is an abundant number, since it is smaller than the sum of its proper divisors (238967752).

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

180352880 is a wasteful number, since it uses less digits than its factorization.

180352880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2254424 (or 2254418 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 180352880 is about 13429.5524869595. The cubic root of 180352880 is about 564.9903462469.

The spelling of 180352880 in words is "one hundred eighty million, three hundred fifty-two thousand, eight hundred eighty".