29478163968 has 240 divisors, whose sum is σ = 94128832512. Its totient is φ = 8805888000.

The previous prime is 29478163933. The next prime is 29478163987. The reversal of 29478163968 is 86936187492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3594753 + ... + 3602943.

Almost surely, 2^29478163968 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 29478163968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47064416256).

29478163968 is an abundant number, since it is smaller than the sum of its proper divisors (64650668544).

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

29478163968 is a wasteful number, since it uses less digits than its factorization.

29478163968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8297 (or 8278 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 63.

The spelling of 29478163968 in words is "twenty-nine billion, four hundred seventy-eight million, one hundred sixty-three thousand, nine hundred sixty-eight".