180399372 has 24 divisors (see below), whose sum is σ = 435447600. Its totient is φ = 58059456.

The previous prime is 180399371. The next prime is 180399377. The reversal of 180399372 is 273993081.

It is not an unprimeable number, because it can be changed into a prime (180399371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258847 + ... + 259542.

It is an arithmetic number, because the mean of its divisors is an integer number (18143650).

Almost surely, 2^180399372 is an apocalyptic number.

180399372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

180399372 is an abundant number, since it is smaller than the sum of its proper divisors (255048228).

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

180399372 is a wasteful number, since it uses less digits than its factorization.

180399372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518425 (or 518423 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 180399372 is about 13431.2833340675. The cubic root of 180399372 is about 565.0388904757.

The spelling of 180399372 in words is "one hundred eighty million, three hundred ninety-nine thousand, three hundred seventy-two".