30500040872 has 32 divisors (see below), whose sum is σ = 65367825600. Its totient is φ = 13069327104.

The previous prime is 30500040817. The next prime is 30500040899. The reversal of 30500040872 is 27804000503.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332879 + ... + 414497.

It is an arithmetic number, because the mean of its divisors is an integer number (2042744550).

Almost surely, 2^30500040872 is an apocalyptic number.

It is an amenable number.

30500040872 is an abundant number, since it is smaller than the sum of its proper divisors (34867784728).

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

30500040872 is a wasteful number, since it uses less digits than its factorization.

30500040872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88305 (or 88301 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The spelling of 30500040872 in words is "thirty billion, five hundred million, forty thousand, eight hundred seventy-two".