29147809408 has 192 divisors, whose sum is σ = 65684246400. Its totient is φ = 12844597248.

The previous prime is 29147809393. The next prime is 29147809463. The reversal of 29147809408 is 80490874192.

It is a happy 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, 79421641 + ... + 79422007.

It is an arithmetic number, because the mean of its divisors is an integer number (342105450).

Almost surely, 2^29147809408 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 29147809408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32842123200).

29147809408 is an abundant number, since it is smaller than the sum of its proper divisors (36536436992).

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

29147809408 is a wasteful number, since it uses less digits than its factorization.

29147809408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The spelling of 29147809408 in words is "twenty-nine billion, one hundred forty-seven million, eight hundred nine thousand, four hundred eight".