68122201988280 has 256 divisors, whose sum is σ = 224361140336640. Its totient is φ = 16409646144000.

The previous prime is 68122201988279. The next prime is 68122201988297. The reversal of 68122201988280 is 8288910222186.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68122201988280.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1086741819 + ... + 1086804501.

It is an arithmetic number, because the mean of its divisors is an integer number (876410704440).

Almost surely, 2^{68122201988280} is an apocalyptic number.

68122201988280 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 68122201988280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112180570168320).

68122201988280 is an abundant number, since it is smaller than the sum of its proper divisors (156238938348360).

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

68122201988280 is a wasteful number, since it uses less digits than its factorization.

68122201988280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67922 (or 67918 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 57.

The spelling of 68122201988280 in words is "sixty-eight trillion, one hundred twenty-two billion, two hundred one million, nine hundred eighty-eight thousand, two hundred eighty".