180854988 has 24 divisors (see below), whose sum is σ = 424526592. Its totient is φ = 59923344.

The previous prime is 180854983. The next prime is 180855011. The reversal of 180854988 is 889458081.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 180854988.

It is not an unprimeable number, because it can be changed into a prime (180854983) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 43120 + ... + 47127.

It is an arithmetic number, because the mean of its divisors is an integer number (17688608).

Almost surely, 2^180854988 is an apocalyptic number.

It is an amenable number.

180854988 is an abundant number, since it is smaller than the sum of its proper divisors (243671604).

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

180854988 is a wasteful number, since it uses less digits than its factorization.

180854988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90421 (or 90419 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The square root of 180854988 is about 13448.2336386605. The cubic root of 180854988 is about 565.5141772969.

The spelling of 180854988 in words is "one hundred eighty million, eight hundred fifty-four thousand, nine hundred eighty-eight".