68265223488 has 336 divisors, whose sum is σ = 244629700224. Its totient is φ = 17682001920.

The previous prime is 68265223483. The next prime is 68265223567. The reversal of 68265223488 is 88432256286.

It is a happy number.

68265223488 is a `hidden beast` number, since 6 + 8 + 2 + 6 + 522 + 34 + 88 = 666.

68265223488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×68265223488² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68265223483) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17605806 + ... + 17609682.

It is an arithmetic number, because the mean of its divisors is an integer number (728064584).

Almost surely, 2^68265223488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68265223488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122314850112).

68265223488 is an abundant number, since it is smaller than the sum of its proper divisors (176364476736).

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

68265223488 is a wasteful number, since it uses less digits than its factorization.

68265223488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310 (or 4297 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The spelling of 68265223488 in words is "sixty-eight billion, two hundred sixty-five million, two hundred twenty-three thousand, four hundred eighty-eight".