68022068488 has 32 divisors (see below), whose sum is σ = 139176804960. Its totient is φ = 30910065280.

The previous prime is 68022068483. The next prime is 68022068509. The reversal of 68022068488 is 88486022086.

It is a super-2 number, since 2×68022068488² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68022068483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193620 + ... + 416572.

It is an arithmetic number, because the mean of its divisors is an integer number (4349275155).

Almost surely, 2^68022068488 is an apocalyptic number.

It is an amenable number.

68022068488 is an abundant number, since it is smaller than the sum of its proper divisors (71154736472).

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

68022068488 is a wasteful number, since it uses less digits than its factorization.

68022068488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226437 (or 226433 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 68022068488 in words is "sixty-eight billion, twenty-two million, sixty-eight thousand, four hundred eighty-eight".