29926872448 has 64 divisors (see below), whose sum is σ = 65536827840. Its totient is φ = 13499200000.

The previous prime is 29926872421. The next prime is 29926872571. The reversal of 29926872448 is 84427862992.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103323 + ... + 265573.

It is an arithmetic number, because the mean of its divisors is an integer number (1024012935).

Almost surely, 2^29926872448 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 29926872448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32768413920).

29926872448 is an abundant number, since it is smaller than the sum of its proper divisors (35609955392).

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

29926872448 is a wasteful number, since it uses less digits than its factorization.

29926872448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162407 (or 162395 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The spelling of 29926872448 in words is "twenty-nine billion, nine hundred twenty-six million, eight hundred seventy-two thousand, four hundred forty-eight".