29959423720 has 32 divisors (see below), whose sum is σ = 70339518720. Its totient is φ = 11462735680.

The previous prime is 29959423717. The next prime is 29959423751. The reversal of 29959423720 is 2732495992.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 16281376 + ... + 16283215.

It is an arithmetic number, because the mean of its divisors is an integer number (2198109960).

Almost surely, 2^29959423720 is an apocalyptic number.

29959423720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

29959423720 is an abundant number, since it is smaller than the sum of its proper divisors (40380095000).

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

29959423720 is a wasteful number, since it uses less digits than its factorization.

29959423720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32564625 (or 32564621 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 52.

The spelling of 29959423720 in words is "twenty-nine billion, nine hundred fifty-nine million, four hundred twenty-three thousand, seven hundred twenty".