29153939808 has 192 divisors, whose sum is σ = 89417405952. Its totient is φ = 8144547840.

The previous prime is 29153939797. The next prime is 29153939809. The reversal of 29153939808 is 80893935192.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29153939809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11787660 + ... + 11790132.

It is an arithmetic number, because the mean of its divisors is an integer number (465715656).

Almost surely, 2^29153939808 is an apocalyptic number.

29153939808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 29153939808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44708702976).

29153939808 is an abundant number, since it is smaller than the sum of its proper divisors (60263466144).

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

29153939808 is a wasteful number, since it uses less digits than its factorization.

29153939808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2877 (or 2869 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 57.

The spelling of 29153939808 in words is "twenty-nine billion, one hundred fifty-three million, nine hundred thirty-nine thousand, eight hundred eight".