29117408052 has 12 divisors (see below), whose sum is σ = 67940618816. Its totient is φ = 9705802680.

The previous prime is 29117408017. The next prime is 29117408077. The reversal of 29117408052 is 25080471192.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 29117408052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1213225324 + ... + 1213225347.

Almost surely, 2^29117408052 is an apocalyptic number.

It is an amenable number.

29117408052 is an abundant number, since it is smaller than the sum of its proper divisors (38823210764).

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

29117408052 is a wasteful number, since it uses less digits than its factorization.

29117408052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2426450678 (or 2426450676 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The spelling of 29117408052 in words is "twenty-nine billion, one hundred seventeen million, four hundred eight thousand, fifty-two".