179880000444 has 144 divisors (see below), whose sum is σ = 492106043520. Its totient is φ = 55278074880.

The previous prime is 179880000439. The next prime is 179880000481. The reversal of 179880000444 is 444000088971.

It is a self number, because there is not a number n which added to its sum of digits gives 179880000444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1967082 + ... + 2056494.

It is an arithmetic number, because the mean of its divisors is an integer number (3417403080).

Almost surely, 2^179880000444 is an apocalyptic number.

179880000444 is the 268239-th heptagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 179880000444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246053021760).

179880000444 is an abundant number, since it is smaller than the sum of its proper divisors (312226043076).

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

179880000444 is a wasteful number, since it uses less digits than its factorization.

179880000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89540 (or 89535 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 179880000444 in words is "one hundred seventy-nine billion, eight hundred eighty million, four hundred forty-four", and thus it is an aban number.