29996396928 has 160 divisors (see below), whose sum is σ = 89384219760. Its totient is φ = 9985876992.

The previous prime is 29996396869. The next prime is 29996396953. The reversal of 29996396928 is 82969369992.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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 19 ways as a sum of consecutive naturals, for example, 11330901 + ... + 11333547.

Almost surely, 2^29996396928 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 29996396928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44692109880).

29996396928 is an abundant number, since it is smaller than the sum of its proper divisors (59387822832).

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

29996396928 is a wasteful number, since it uses less digits than its factorization.

29996396928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3766 (or 3745 counting only the distinct ones).

The product of its digits is 204073344, while the sum is 72.

The spelling of 29996396928 in words is "twenty-nine billion, nine hundred ninety-six million, three hundred ninety-six thousand, nine hundred twenty-eight".