29907839052 has 72 divisors (see below), whose sum is σ = 93046620576. Its totient is φ = 7887780864.

The previous prime is 29907839041. The next prime is 29907839053. The reversal of 29907839052 is 25093870992.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 29907839052.

It is not an unprimeable number, because it can be changed into a prime (29907839053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4561413 + ... + 4567964.

Almost surely, 2^29907839052 is an apocalyptic number.

It is an amenable number.

29907839052 is an abundant number, since it is smaller than the sum of its proper divisors (63138781524).

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

29907839052 is a wasteful number, since it uses less digits than its factorization.

29907839052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9129407 (or 9129402 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 29907839052 in words is "twenty-nine billion, nine hundred seven million, eight hundred thirty-nine thousand, fifty-two".