29909428944 has 80 divisors (see below), whose sum is σ = 78779136384. Its totient is φ = 9774835200.

The previous prime is 29909428937. The next prime is 29909428961. The reversal of 29909428944 is 44982490992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4654854 + ... + 4661274.

Almost surely, 2^29909428944 is an apocalyptic number.

29909428944 is a gapful number since it is divisible by the number (24) 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 29909428944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39389568192).

29909428944 is an abundant number, since it is smaller than the sum of its proper divisors (48869707440).

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

29909428944 is a wasteful number, since it uses less digits than its factorization.

29909428944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316 (or 8310 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 60.

The spelling of 29909428944 in words is "twenty-nine billion, nine hundred nine million, four hundred twenty-eight thousand, nine hundred forty-four".