68139652275200 has 528 divisors, whose sum is σ = 191306224189440. Its totient is φ = 23839629312000.

The previous prime is 68139652275199. The next prime is 68139652275229. The reversal of 68139652275200 is 257225693186.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1510198241 + ... + 1510243359.

Almost surely, 2^{68139652275200} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68139652275200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95653112094720).

68139652275200 is an abundant number, since it is smaller than the sum of its proper divisors (123166571914240).

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

68139652275200 is a wasteful number, since it uses less digits than its factorization.

68139652275200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45364 (or 45341 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 68139652275200 in words is "sixty-eight trillion, one hundred thirty-nine billion, six hundred fifty-two million, two hundred seventy-five thousand, two hundred".