30171428860 has 48 divisors (see below), whose sum is σ = 66709873440. Its totient is φ = 11430789120.

The previous prime is 30171428857. The next prime is 30171428893. The reversal of 30171428860 is 6882417103.

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, 2913612 + ... + 2923948.

It is an arithmetic number, because the mean of its divisors is an integer number (1389789030).

Almost surely, 2^30171428860 is an apocalyptic number.

It is an amenable number.

30171428860 is an abundant number, since it is smaller than the sum of its proper divisors (36538444580).

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

30171428860 is a wasteful number, since it uses less digits than its factorization.

30171428860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18046 (or 18044 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 30171428860 in words is "thirty billion, one hundred seventy-one million, four hundred twenty-eight thousand, eight hundred sixty".