29951729472 has 112 divisors (see below), whose sum is σ = 91809287552. Its totient is φ = 8440381440.

The previous prime is 29951729459. The next prime is 29951729491. The reversal of 29951729472 is 27492715992.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54529 + ... + 250752.

Almost surely, 2^29951729472 is an apocalyptic number.

It is an amenable number.

29951729472 is an abundant number, since it is smaller than the sum of its proper divisors (61857558080).

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

29951729472 is a wasteful number, since it uses less digits than its factorization.

29951729472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305376 (or 305366 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 57.

The spelling of 29951729472 in words is "twenty-nine billion, nine hundred fifty-one million, seven hundred twenty-nine thousand, four hundred seventy-two".