4255415642268 has 144 divisors (see below), whose sum is σ = 12503389167360. Its totient is φ = 1195072445952.

The previous prime is 4255415642221. The next prime is 4255415642311. The reversal of 4255415642268 is 8622465145524.

4255415642268 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 4 + 156 + 422 + 68 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167148196 + ... + 167173652.

It is an arithmetic number, because the mean of its divisors is an integer number (86829091440).

Almost surely, 2^{4255415642268} 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 4255415642268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6251694583680).

4255415642268 is an abundant number, since it is smaller than the sum of its proper divisors (8247973525092).

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

4255415642268 is a wasteful number, since it uses less digits than its factorization.

4255415642268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36776 (or 36771 counting only the distinct ones).

The product of its digits is 18432000, while the sum is 54.

The spelling of 4255415642268 in words is "four trillion, two hundred fifty-five billion, four hundred fifteen million, six hundred forty-two thousand, two hundred sixty-eight".