68036129232 has 40 divisors (see below), whose sum is σ = 177466421184. Its totient is φ = 22458526464.

The previous prime is 68036129219. The next prime is 68036129251. The reversal of 68036129232 is 23292163086.

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, 6875733 + ... + 6885620.

Almost surely, 2^68036129232 is an apocalyptic number.

It is an amenable number.

68036129232 is an abundant number, since it is smaller than the sum of its proper divisors (109430291952).

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

68036129232 is a wasteful number, since it uses less digits than its factorization.

68036129232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13761467 (or 13761461 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 68036129232 in words is "sixty-eight billion, thirty-six million, one hundred twenty-nine thousand, two hundred thirty-two".