68238336000 has 448 divisors, whose sum is σ = 230426239680. Its totient is φ = 17930649600.

The previous prime is 68238335993. The next prime is 68238336079. The reversal of 68238336000 is 63383286.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68238336000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 297983886 + ... + 297984114.

It is an arithmetic number, because the mean of its divisors is an integer number (514344285).

Almost surely, 2^68238336000 is an apocalyptic number.

68238336000 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 68238336000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115213119840).

68238336000 is an abundant number, since it is smaller than the sum of its proper divisors (162187903680).

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

68238336000 is an equidigital number, since it uses as much as digits as its factorization.

68238336000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370 (or 336 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 68238336000 in words is "sixty-eight billion, two hundred thirty-eight million, three hundred thirty-six thousand".