180001380 has 48 divisors (see below), whose sum is σ = 542775744. Its totient is φ = 44307840.

The previous prime is 180001379. The next prime is 180001391. The reversal of 180001380 is 83100081.

It is a happy number.

180001380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 114606 + ... + 116165.

It is an arithmetic number, because the mean of its divisors is an integer number (11307828).

Almost surely, 2^180001380 is an apocalyptic number.

180001380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180001380 is an abundant number, since it is smaller than the sum of its proper divisors (362774364).

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

180001380 is a wasteful number, since it uses less digits than its factorization.

180001380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230796 (or 230794 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 180001380 is about 13416.4592944636. The cubic root of 180001380 is about 564.6230602468.

The spelling of 180001380 in words is "one hundred eighty million, one thousand, three hundred eighty".