30171868880 has 40 divisors (see below), whose sum is σ = 70162643232. Its totient is φ = 12066502784.

The previous prime is 30171868871. The next prime is 30171868927. The reversal of 30171868880 is 8886817103.

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 7 ways as a sum of consecutive naturals, for example, 437219 + ... + 501501.

Almost surely, 2^30171868880 is an apocalyptic number.

It is an amenable number.

30171868880 is an abundant number, since it is smaller than the sum of its proper divisors (39990774352).

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

30171868880 is a wasteful number, since it uses less digits than its factorization.

30171868880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70163 (or 70157 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 30171868880 in words is "thirty billion, one hundred seventy-one million, eight hundred sixty-eight thousand, eight hundred eighty".