180209804 has 6 divisors (see below), whose sum is σ = 315367164. Its totient is φ = 90104900.

The previous prime is 180209803. The next prime is 180209819. The reversal of 180209804 is 408902081.

It is a happy number.

180209804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (180209803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22526222 + ... + 22526229.

It is an arithmetic number, because the mean of its divisors is an integer number (52561194).

Almost surely, 2^180209804 is an apocalyptic number.

It is an amenable number.

180209804 is a deficient number, since it is larger than the sum of its proper divisors (135157360).

180209804 is a wasteful number, since it uses less digits than its factorization.

180209804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45052455 (or 45052453 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 180209804 is about 13424.2245213644. The cubic root of 180209804 is about 564.8409022894.

The spelling of 180209804 in words is "one hundred eighty million, two hundred nine thousand, eight hundred four".