68752688544 has 240 divisors, whose sum is σ = 211401767808. Its totient is φ = 21878512128.

The previous prime is 68752688539. The next prime is 68752688551. The reversal of 68752688544 is 44588625786.

68752688544 is a `hidden beast` number, since 6 + 8 + 7 + 5 + 2 + 6 + 88 + 544 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 47513229 + ... + 47514675.

Almost surely, 2^68752688544 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 68752688544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105700883904).

68752688544 is an abundant number, since it is smaller than the sum of its proper divisors (142649079264).

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

68752688544 is a wasteful number, since it uses less digits than its factorization.

68752688544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289 (or 2272 counting only the distinct ones).

The product of its digits is 103219200, while the sum is 63.

The spelling of 68752688544 in words is "sixty-eight billion, seven hundred fifty-two million, six hundred eighty-eight thousand, five hundred forty-four".