29939263328 has 144 divisors (see below), whose sum is σ = 66520411776. Its totient is φ = 13172060160.

The previous prime is 29939263327. The next prime is 29939263349. The reversal of 29939263328 is 82336293992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29939263327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88840376 + ... + 88840712.

It is an arithmetic number, because the mean of its divisors is an integer number (461947304).

Almost surely, 2^29939263328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29939263328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33260205888).

29939263328 is an abundant number, since it is smaller than the sum of its proper divisors (36581148448).

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

29939263328 is a wasteful number, since it uses less digits than its factorization.

29939263328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 466 counting only the distinct ones).

The product of its digits is 7558272, while the sum is 56.

The spelling of 29939263328 in words is "twenty-nine billion, nine hundred thirty-nine million, two hundred sixty-three thousand, three hundred twenty-eight".