180494560 has 24 divisors (see below), whose sum is σ = 426418776. Its totient is φ = 72197760.

The previous prime is 180494557. The next prime is 180494569. The reversal of 180494560 is 65494081.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180494569) 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, 563886 + ... + 564205.

It is an arithmetic number, because the mean of its divisors is an integer number (17767449).

Almost surely, 2^180494560 is an apocalyptic number.

180494560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180494560 is an abundant number, since it is smaller than the sum of its proper divisors (245924216).

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

180494560 is a wasteful number, since it uses less digits than its factorization.

180494560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128106 (or 1128098 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 180494560 is about 13434.8263851827. The cubic root of 180494560 is about 565.1382542081.

The spelling of 180494560 in words is "one hundred eighty million, four hundred ninety-four thousand, five hundred sixty".