29991984096 has 24 divisors (see below), whose sum is σ = 78728958504. Its totient is φ = 9997328000.

The previous prime is 29991984083. The next prime is 29991984097. The reversal of 29991984096 is 69048919992.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×29991984096² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29991984097) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156208155 + ... + 156208346.

It is an arithmetic number, because the mean of its divisors is an integer number (3280373271).

Almost surely, 2^29991984096 is an apocalyptic number.

It is an amenable number.

29991984096 is an abundant number, since it is smaller than the sum of its proper divisors (48736974408).

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

29991984096 is a wasteful number, since it uses less digits than its factorization.

29991984096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312416514 (or 312416506 counting only the distinct ones).

The product of its (nonzero) digits is 22674816, while the sum is 66.

The spelling of 29991984096 in words is "twenty-nine billion, nine hundred ninety-one million, nine hundred eighty-four thousand, ninety-six".