68292226464 has 384 divisors, whose sum is σ = 237807747072. Its totient is φ = 16613130240.

The previous prime is 68292226441. The next prime is 68292226489. The reversal of 68292226464 is 46462229286.

It is a happy number.

68292226464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 28021854 + ... + 28024290.

It is an arithmetic number, because the mean of its divisors is an integer number (619291008).

Almost surely, 2^68292226464 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 68292226464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118903873536).

68292226464 is an abundant number, since it is smaller than the sum of its proper divisors (169515520608).

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

68292226464 is a wasteful number, since it uses less digits than its factorization.

68292226464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708 (or 2700 counting only the distinct ones).

The product of its digits is 3981312, while the sum is 51.

The spelling of 68292226464 in words is "sixty-eight billion, two hundred ninety-two million, two hundred twenty-six thousand, four hundred sixty-four".