180919021724 has 48 divisors (see below), whose sum is σ = 374366059200. Its totient is φ = 74852875776.

The previous prime is 180919021709. The next prime is 180919021741. The reversal of 180919021724 is 427120919081.

It is a happy number.

180919021724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10265432 + ... + 10283040.

It is an arithmetic number, because the mean of its divisors is an integer number (7799292900).

Almost surely, 2^180919021724 is an apocalyptic number.

180919021724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

180919021724 is an abundant number, since it is smaller than the sum of its proper divisors (193447037476).

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

180919021724 is a wasteful number, since it uses less digits than its factorization.

180919021724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30302 (or 30300 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 44.

The spelling of 180919021724 in words is "one hundred eighty billion, nine hundred nineteen million, twenty-one thousand, seven hundred twenty-four".