29957990328 has 96 divisors (see below), whose sum is σ = 94111205760. Its totient is φ = 8431663680.

The previous prime is 29957990323. The next prime is 29957990339. The reversal of 29957990328 is 82309975992.

29957990328 is a `hidden beast` number, since 29 + 9 + 579 + 9 + 0 + 32 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29957990323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409818 + ... + 477353.

It is an arithmetic number, because the mean of its divisors is an integer number (980325060).

Almost surely, 2^29957990328 is an apocalyptic number.

29957990328 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

29957990328 is an abundant number, since it is smaller than the sum of its proper divisors (64153215432).

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

29957990328 is a wasteful number, since it uses less digits than its factorization.

29957990328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887257 (or 887250 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 29957990328 in words is "twenty-nine billion, nine hundred fifty-seven million, nine hundred ninety thousand, three hundred twenty-eight".