180345492732 has 96 divisors (see below), whose sum is σ = 449860642560. Its totient is φ = 56034800640.

The previous prime is 180345492731. The next prime is 180345492823. The reversal of 180345492732 is 237294543081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180345492731) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11930323 + ... + 11945429.

It is an arithmetic number, because the mean of its divisors is an integer number (4686048360).

Almost surely, 2^180345492732 is an apocalyptic number.

180345492732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180345492732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224930321280).

180345492732 is an abundant number, since it is smaller than the sum of its proper divisors (269515149828).

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

180345492732 is a wasteful number, since it uses less digits than its factorization.

180345492732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15691 (or 15689 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 180345492732 in words is "one hundred eighty billion, three hundred forty-five million, four hundred ninety-two thousand, seven hundred thirty-two".