29921366244 has 48 divisors (see below), whose sum is σ = 87043977216. Its totient is φ = 7771783200.

The previous prime is 29921366207. The next prime is 29921366297. The reversal of 29921366244 is 44266312992.

It is a junction number, because it is equal to n+sod(n) for n = 29921366193 and 29921366202.

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, 16190292 + ... + 16192139.

It is an arithmetic number, because the mean of its divisors is an integer number (1813416192).

Almost surely, 2^29921366244 is an apocalyptic number.

It is an amenable number.

29921366244 is an abundant number, since it is smaller than the sum of its proper divisors (57122610972).

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

29921366244 is a wasteful number, since it uses less digits than its factorization.

29921366244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32382456 (or 32382454 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The spelling of 29921366244 in words is "twenty-nine billion, nine hundred twenty-one million, three hundred sixty-six thousand, two hundred forty-four".