68813404254 has 256 divisors, whose sum is σ = 185131008000. Its totient is φ = 18533473920.

The previous prime is 68813404249. The next prime is 68813404291. The reversal of 68813404254 is 45240431886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 111168357 + ... + 111168975.

It is an arithmetic number, because the mean of its divisors is an integer number (723168000).

Almost surely, 2^68813404254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68813404254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92565504000).

68813404254 is an abundant number, since it is smaller than the sum of its proper divisors (116317603746).

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

68813404254 is a wasteful number, since it uses less digits than its factorization.

68813404254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 45.

The spelling of 68813404254 in words is "sixty-eight billion, eight hundred thirteen million, four hundred four thousand, two hundred fifty-four".