29430856632 has 32 divisors (see below), whose sum is σ = 75950599680. Its totient is φ = 9493824480.

The previous prime is 29430856591. The next prime is 29430856681. The reversal of 29430856632 is 23665803492.

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, 19778058 + ... + 19779545.

It is an arithmetic number, because the mean of its divisors is an integer number (2373456240).

Almost surely, 2^29430856632 is an apocalyptic number.

It is an amenable number.

29430856632 is an abundant number, since it is smaller than the sum of its proper divisors (46519743048).

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

29430856632 is a wasteful number, since it uses less digits than its factorization.

29430856632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39557643 (or 39557639 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 29430856632 in words is "twenty-nine billion, four hundred thirty million, eight hundred fifty-six thousand, six hundred thirty-two".