180380488 has 8 divisors (see below), whose sum is σ = 338213430. Its totient is φ = 90190240.

The previous prime is 180380449. The next prime is 180380491. The reversal of 180380488 is 884083081.

It can be written as a sum of positive squares in only one way, i.e., 97970404 + 82410084 = 9898^2 + 9078^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×180380488² = 65074240902236288, 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 180380488.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11273773 + ... + 11273788.

Almost surely, 2^180380488 is an apocalyptic number.

It is an amenable number.

180380488 is a deficient number, since it is larger than the sum of its proper divisors (157832942).

180380488 is a wasteful number, since it uses less digits than its factorization.

180380488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22547567 (or 22547563 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 180380488 is about 13430.5803299783. The cubic root of 180380488 is about 565.0191739127.

The spelling of 180380488 in words is "one hundred eighty million, three hundred eighty thousand, four hundred eighty-eight".