180342988 has 12 divisors (see below), whose sum is σ = 360686032. Its totient is φ = 77289840.

The previous prime is 180342983. The next prime is 180342997. The reversal of 180342988 is 889243081.

180342988 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (180342983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3220383 + ... + 3220438.

Almost surely, 2^180342988 is an apocalyptic number.

It is an amenable number.

180342988 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

180342988 is a wasteful number, since it uses less digits than its factorization.

180342988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6440832 (or 6440830 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 180342988 is about 13429.1841896669. The cubic root of 180342988 is about 564.9800165224.

The spelling of 180342988 in words is "one hundred eighty million, three hundred forty-two thousand, nine hundred eighty-eight".