29221818432 has 112 divisors (see below), whose sum is σ = 81948966912. Its totient is φ = 9158123520.

The previous prime is 29221818427. The next prime is 29221818467. The reversal of 29221818432 is 23481812292.

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 15 ways as a sum of consecutive naturals, for example, 3563457 + ... + 3571647.

Almost surely, 2^29221818432 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 29221818432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40974483456).

29221818432 is an abundant number, since it is smaller than the sum of its proper divisors (52727148480).

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

29221818432 is a wasteful number, since it uses less digits than its factorization.

29221818432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9316 (or 9306 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The spelling of 29221818432 in words is "twenty-nine billion, two hundred twenty-one million, eight hundred eighteen thousand, four hundred thirty-two".