180840084 has 24 divisors (see below), whose sum is σ = 446781888. Its totient is φ = 56734080.

The previous prime is 180840073. The next prime is 180840089. The reversal of 180840084 is 480048081.

180840084 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×180840084² = 65406271962254112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180840089) 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, 443032 + ... + 443439.

It is an arithmetic number, because the mean of its divisors is an integer number (18615912).

Almost surely, 2^180840084 is an apocalyptic number.

It is an amenable number.

180840084 is an abundant number, since it is smaller than the sum of its proper divisors (265941804).

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

180840084 is a wasteful number, since it uses less digits than its factorization.

180840084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886495 (or 886493 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 180840084 is about 13447.6795024272. The cubic root of 180840084 is about 565.4986424663.

The spelling of 180840084 in words is "one hundred eighty million, eight hundred forty thousand, eighty-four".