30505620082568 has 64 divisors (see below), whose sum is σ = 60970511500800. Its totient is φ = 14285238589440.

The previous prime is 30505620082543. The next prime is 30505620082573. The reversal of 30505620082568 is 86528002650503.

It is a super-2 number, since 2×30505620082568² (a number of 28 digits) contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 11959721 + ... + 14284472.

It is an arithmetic number, because the mean of its divisors is an integer number (952664242200).

Almost surely, 2^{30505620082568} is an apocalyptic number.

It is an amenable number.

30505620082568 is a deficient number, since it is larger than the sum of its proper divisors (30464891418232).

30505620082568 is a wasteful number, since it uses less digits than its factorization.

30505620082568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26244382 (or 26244378 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 30505620082568 in words is "thirty trillion, five hundred five billion, six hundred twenty million, eighty-two thousand, five hundred sixty-eight".