30656601026320 has 20 divisors (see below), whose sum is σ = 71276597386380. Its totient is φ = 12262640410496.

The previous prime is 30656601026263. The next prime is 30656601026399. The reversal of 30656601026320 is 2362010665603.

It can be written as a sum of positive squares in 2 ways, for example, as 22476360373776 + 8180240652544 = 4740924^2 + 2860112^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191603756335 + ... + 191603756494.

It is an arithmetic number, because the mean of its divisors is an integer number (3563829869319).

Almost surely, 2^{30656601026320} is an apocalyptic number.

It is an amenable number.

30656601026320 is an abundant number, since it is smaller than the sum of its proper divisors (40619996360060).

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

30656601026320 is a wasteful number, since it uses less digits than its factorization.

30656601026320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383207512842 (or 383207512836 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 40.

The spelling of 30656601026320 in words is "thirty trillion, six hundred fifty-six billion, six hundred one million, twenty-six thousand, three hundred twenty".