30656267268 has 48 divisors (see below), whose sum is σ = 80143178304. Its totient is φ = 9038701440.

The previous prime is 30656267251. The next prime is 30656267281. The reversal of 30656267268 is 86276265603.

It is a self number, because there is not a number n which added to its sum of digits gives 30656267268.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133555 + ... + 3143322.

It is an arithmetic number, because the mean of its divisors is an integer number (1669649548).

Almost surely, 2^30656267268 is an apocalyptic number.

It is an amenable number.

30656267268 is an abundant number, since it is smaller than the sum of its proper divisors (49486911036).

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

30656267268 is a wasteful number, since it uses less digits than its factorization.

30656267268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276932 (or 6276930 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 30656267268 in words is "thirty billion, six hundred fifty-six million, two hundred sixty-seven thousand, two hundred sixty-eight".