30601685256 has 32 divisors (see below), whose sum is σ = 76670193600. Its totient is φ = 10178431040.

The previous prime is 30601685243. The next prime is 30601685263. The reversal of 30601685256 is 65258610603.

It is a happy 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, 1371876 + ... + 1394003.

It is an arithmetic number, because the mean of its divisors is an integer number (2395943550).

Almost surely, 2^30601685256 is an apocalyptic number.

It is an amenable number.

30601685256 is an abundant number, since it is smaller than the sum of its proper divisors (46068508344).

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

30601685256 is a wasteful number, since it uses less digits than its factorization.

30601685256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2766349 (or 2766345 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 30601685256 in words is "thirty billion, six hundred one million, six hundred eighty-five thousand, two hundred fifty-six".