68426804268 has 24 divisors (see below), whose sum is σ = 177402826160. Its totient is φ = 22808934720.

The previous prime is 68426804263. The next prime is 68426804321. The reversal of 68426804268 is 86240862486.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (68426804263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316790653 + ... + 316790868.

Almost surely, 2^68426804268 is an apocalyptic number.

It is an amenable number.

68426804268 is an abundant number, since it is smaller than the sum of its proper divisors (108976021892).

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

68426804268 is a wasteful number, since it uses less digits than its factorization.

68426804268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633581534 (or 633581526 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 68426804268 in words is "sixty-eight billion, four hundred twenty-six million, eight hundred four thousand, two hundred sixty-eight".