180540132692880 has 80 divisors (see below), whose sum is σ = 561462508742400. Its totient is φ = 47990220555264.

The previous prime is 180540132692839. The next prime is 180540132692903. The reversal of 180540132692880 is 88296231045081.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 180540132692880.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201603080 + ... + 1201753319.

It is an arithmetic number, because the mean of its divisors is an integer number (7018281359280).

Almost surely, 2^{180540132692880} is an apocalyptic number.

180540132692880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180540132692880 is an abundant number, since it is smaller than the sum of its proper divisors (380922376049520).

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

180540132692880 is a wasteful number, since it uses less digits than its factorization.

180540132692880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403356728 (or 2403356722 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 57.

The spelling of 180540132692880 in words is "one hundred eighty trillion, five hundred forty billion, one hundred thirty-two million, six hundred ninety-two thousand, eight hundred eighty".