29968434445256 has 32 divisors (see below), whose sum is σ = 56269416009600. Its totient is φ = 14963263801920.

The previous prime is 29968434445247. The next prime is 29968434445363. The reversal of 29968434445256 is 65254443486992.

It is a self number, because there is not a number n which added to its sum of digits gives 29968434445256.

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 7 ways as a sum of consecutive naturals, for example, 34260071 + ... + 35123913.

It is an arithmetic number, because the mean of its divisors is an integer number (1758419250300).

Almost surely, 2^{29968434445256} is an apocalyptic number.

It is an amenable number.

29968434445256 is a deficient number, since it is larger than the sum of its proper divisors (26300981564344).

29968434445256 is a wasteful number, since it uses less digits than its factorization.

29968434445256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 869909 (or 869905 counting only the distinct ones).

The product of its digits is 1791590400, while the sum is 71.

The spelling of 29968434445256 in words is "twenty-nine trillion, nine hundred sixty-eight billion, four hundred thirty-four million, four hundred forty-five thousand, two hundred fifty-six".