180504224 has 24 divisors (see below), whose sum is σ = 355668768. Its totient is φ = 90175680.

The previous prime is 180504209. The next prime is 180504229. The reversal of 180504224 is 422405081.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 180504193 and 180504202.

It is not an unprimeable number, because it can be changed into a prime (180504229) 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, 66869 + ... + 69515.

It is an arithmetic number, because the mean of its divisors is an integer number (14819532).

Almost surely, 2^180504224 is an apocalyptic number.

It is an amenable number.

180504224 is a deficient number, since it is larger than the sum of its proper divisors (175164544).

180504224 is a wasteful number, since it uses less digits than its factorization.

180504224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4788 (or 4780 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 180504224 is about 13435.1860426270. The cubic root of 180504224 is about 565.1483401974.

The spelling of 180504224 in words is "one hundred eighty million, five hundred four thousand, two hundred twenty-four".