30250717872 has 20 divisors (see below), whose sum is σ = 78147687960. Its totient is φ = 10083572608.

The previous prime is 30250717859. The next prime is 30250717919. The reversal of 30250717872 is 27871705203.

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, 315111597 + ... + 315111692.

It is an arithmetic number, because the mean of its divisors is an integer number (3907384398).

Almost surely, 2^30250717872 is an apocalyptic number.

It is an amenable number.

30250717872 is an abundant number, since it is smaller than the sum of its proper divisors (47896970088).

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

30250717872 is a wasteful number, since it uses less digits than its factorization.

30250717872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630223300 (or 630223294 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 30250717872 in words is "thirty billion, two hundred fifty million, seven hundred seventeen thousand, eight hundred seventy-two".