180375040 has 40 divisors (see below), whose sum is σ = 432483480. Its totient is φ = 72148992.

The previous prime is 180375023. The next prime is 180375061. The reversal of 180375040 is 40573081.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32670 + ... + 37789.

It is an arithmetic number, because the mean of its divisors is an integer number (10812087).

Almost surely, 2^180375040 is an apocalyptic number.

180375040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

180375040 is an abundant number, since it is smaller than the sum of its proper divisors (252108440).

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

180375040 is an frugal number, since it uses more digits than its factorization.

180375040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70482 (or 70466 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 180375040 is about 13430.3775077248. The cubic root of 180375040 is about 565.0134854640.

The spelling of 180375040 in words is "one hundred eighty million, three hundred seventy-five thousand, forty".