29685982032 has 120 divisors (see below), whose sum is σ = 99121632000. Its totient is φ = 8481703104.

The previous prime is 29685982019. The next prime is 29685982049. The reversal of 29685982032 is 23028958692.

29685982032 is a `hidden beast` number, since 29 + 6 + 8 + 598 + 20 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 29685982032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 680032 + ... + 722367.

It is an arithmetic number, because the mean of its divisors is an integer number (826013600).

Almost surely, 2^29685982032 is an apocalyptic number.

It is an amenable number.

29685982032 is an abundant number, since it is smaller than the sum of its proper divisors (69435649968).

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

29685982032 is a wasteful number, since it uses less digits than its factorization.

29685982032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402430 (or 1402411 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 29685982032 in words is "twenty-nine billion, six hundred eighty-five million, nine hundred eighty-two thousand, thirty-two".