180185152380 has 48 divisors (see below), whose sum is σ = 526454014464. Its totient is φ = 45960270400.

The previous prime is 180185152379. The next prime is 180185152391. The reversal of 180185152380 is 83251581081.

It is a congruent number.

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, 65283096 + ... + 65285855.

It is an arithmetic number, because the mean of its divisors is an integer number (10967791968).

Almost surely, 2^180185152380 is an apocalyptic number.

180185152380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180185152380 is an abundant number, since it is smaller than the sum of its proper divisors (346268862084).

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

180185152380 is a wasteful number, since it uses less digits than its factorization.

180185152380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130568986 (or 130568984 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 42.

The spelling of 180185152380 in words is "one hundred eighty billion, one hundred eighty-five million, one hundred fifty-two thousand, three hundred eighty".