30656646136242 has 48 divisors (see below), whose sum is σ = 76027946080320. Its totient is φ = 8745628189536.

The previous prime is 30656646136223. The next prime is 30656646136243. The reversal of 30656646136242 is 24263164665603.

30656646136242 is a `hidden beast` number, since 3 + 0 + 6 + 5 + 6 + 6 + 4 + 6 + 1 + 3 + 624 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (30656646136243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 186216892 + ... + 186381447.

It is an arithmetic number, because the mean of its divisors is an integer number (1583915543340).

Almost surely, 2^{30656646136242} is an apocalyptic number.

30656646136242 is an abundant number, since it is smaller than the sum of its proper divisors (45371299944078).

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

30656646136242 is a wasteful number, since it uses less digits than its factorization.

30656646136242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372599007 (or 372599004 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 54.

The spelling of 30656646136242 in words is "thirty trillion, six hundred fifty-six billion, six hundred forty-six million, one hundred thirty-six thousand, two hundred forty-two".