29621316088 has 128 divisors (see below), whose sum is σ = 70111641600. Its totient is φ = 11418817536.

The previous prime is 29621316083. The next prime is 29621316089. The reversal of 29621316088 is 88061312692.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29621316083) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 17811145 + ... + 17812807.

It is an arithmetic number, because the mean of its divisors is an integer number (547747200).

Almost surely, 2^29621316088 is an apocalyptic number.

29621316088 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 29621316088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35055820800).

29621316088 is an abundant number, since it is smaller than the sum of its proper divisors (40490325512).

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

29621316088 is a wasteful number, since it uses less digits than its factorization.

29621316088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 29621316088 in words is "twenty-nine billion, six hundred twenty-one million, three hundred sixteen thousand, eighty-eight".