180042404 has 12 divisors (see below), whose sum is σ = 331657200. Its totient is φ = 85283208.

The previous prime is 180042377. The next prime is 180042409. The reversal of 180042404 is 404240081.

180042404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 180042404.

It is not an unprimeable number, because it can be changed into a prime (180042409) 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, 1184414 + ... + 1184565.

It is an arithmetic number, because the mean of its divisors is an integer number (27638100).

Almost surely, 2^180042404 is an apocalyptic number.

It is an amenable number.

180042404 is a deficient number, since it is larger than the sum of its proper divisors (151614796).

180042404 is a wasteful number, since it uses less digits than its factorization.

180042404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2369002 (or 2369000 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 180042404 is about 13417.9880757139. The cubic root of 180042404 is about 564.6659512827.

Adding to 180042404 its reverse (404240081), we get a palindrome (584282485).

The spelling of 180042404 in words is "one hundred eighty million, forty-two thousand, four hundred four".