180479900 has 18 divisors (see below), whose sum is σ = 391641600. Its totient is φ = 72191920.

The previous prime is 180479899. The next prime is 180479903. The reversal of 180479900 is 9974081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180479903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 902300 + ... + 902499.

Almost surely, 2^180479900 is an apocalyptic number.

180479900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180479900 is an abundant number, since it is smaller than the sum of its proper divisors (211161700).

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

180479900 is a wasteful number, since it uses less digits than its factorization.

180479900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804813 (or 1804806 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 180479900 is about 13434.2807771760. The cubic root of 180479900 is about 565.1229533755.

The spelling of 180479900 in words is "one hundred eighty million, four hundred seventy-nine thousand, nine hundred".