30438842568 has 32 divisors (see below), whose sum is σ = 76102286400. Its totient is φ = 10145590208.

The previous prime is 30438842543. The next prime is 30438842611. The reversal of 30438842568 is 86524883403.

It is a self number, because there is not a number n which added to its sum of digits gives 30438842568.

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, 416773 + ... + 484331.

It is an arithmetic number, because the mean of its divisors is an integer number (2378196450).

Almost surely, 2^30438842568 is an apocalyptic number.

It is an amenable number.

30438842568 is an abundant number, since it is smaller than the sum of its proper divisors (45663443832).

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

30438842568 is a wasteful number, since it uses less digits than its factorization.

30438842568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86341 (or 86337 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 51.

The spelling of 30438842568 in words is "thirty billion, four hundred thirty-eight million, eight hundred forty-two thousand, five hundred sixty-eight".