68344872960 has 608 divisors, whose sum is σ = 270582423552. Its totient is φ = 14344519680.

The previous prime is 68344872929. The next prime is 68344873031. The reversal of 68344872960 is 6927844386.

It is a self number, because there is not a number n which added to its sum of digits gives 68344872960.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 357826465 + ... + 357826655.

Almost surely, 2^68344872960 is an apocalyptic number.

68344872960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68344872960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135291211776).

68344872960 is an abundant number, since it is smaller than the sum of its proper divisors (202237550592).

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

68344872960 is an equidigital number, since it uses as much as digits as its factorization.

68344872960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 68344872960 in words is "sixty-eight billion, three hundred forty-four million, eight hundred seventy-two thousand, nine hundred sixty".