29715225568 has 24 divisors (see below), whose sum is σ = 66859258032. Its totient is φ = 12735096576.

The previous prime is 29715225563. The next prime is 29715225611. The reversal of 29715225568 is 86552251792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29715225563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66328405 + ... + 66328852.

It is an arithmetic number, because the mean of its divisors is an integer number (2785802418).

Almost surely, 2^29715225568 is an apocalyptic number.

29715225568 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29715225568 is an abundant number, since it is smaller than the sum of its proper divisors (37144032464).

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

29715225568 is a wasteful number, since it uses less digits than its factorization.

29715225568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132657274 (or 132657266 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 52.

The spelling of 29715225568 in words is "twenty-nine billion, seven hundred fifteen million, two hundred twenty-five thousand, five hundred sixty-eight".