180036040 has 16 divisors (see below), whose sum is σ = 405081180. Its totient is φ = 72014400.

The previous prime is 180036011. The next prime is 180036041. The reversal of 180036040 is 40630081.

It can be written as a sum of positive squares in 2 ways, for example, as 179399236 + 636804 = 13394^2 + 798^2 .

It is not an unprimeable number, because it can be changed into a prime (180036041) 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 3 ways as a sum of consecutive naturals, for example, 2250411 + ... + 2250490.

Almost surely, 2^180036040 is an apocalyptic number.

180036040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180036040 is an abundant number, since it is smaller than the sum of its proper divisors (225045140).

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

180036040 is a wasteful number, since it uses less digits than its factorization.

180036040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4500912 (or 4500908 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 180036040 is about 13417.7509292728. The cubic root of 180036040 is about 564.6592980789.

The spelling of 180036040 in words is "one hundred eighty million, thirty-six thousand, forty".