180864036 has 24 divisors (see below), whose sum is σ = 468907040. Its totient is φ = 60287976.

The previous prime is 180864031. The next prime is 180864043. The reversal of 180864036 is 630468081.

It is a happy number.

180864036 is a `hidden beast` number, since 1 + 8 + 0 + 8 + 640 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (180864031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 837226 + ... + 837441.

Almost surely, 2^180864036 is an apocalyptic number.

It is an amenable number.

180864036 is an abundant number, since it is smaller than the sum of its proper divisors (288043004).

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

180864036 is a wasteful number, since it uses less digits than its factorization.

180864036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674680 (or 1674672 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 180864036 is about 13448.5700355094. The cubic root of 180864036 is about 565.5236078487.

It can be divided in two parts, 18086 and 4036, that added together give a palindrome (22122).

The spelling of 180864036 in words is "one hundred eighty million, eight hundred sixty-four thousand, thirty-six".