2856222154368 has 768 divisors, whose sum is σ = 9851243950080. Its totient is φ = 784207872000.

The previous prime is 2856222154343. The next prime is 2856222154381. The reversal of 2856222154368 is 8634512226582.

2856222154368 is a `hidden beast` number, since 2 + 8 + 5 + 6 + 2 + 221 + 54 + 368 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1409087371 + ... + 1409089397.

It is an arithmetic number, because the mean of its divisors is an integer number (12827140560).

Almost surely, 2^{2856222154368} 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 2856222154368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4925621975040).

2856222154368 is an abundant number, since it is smaller than the sum of its proper divisors (6995021795712).

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

2856222154368 is a wasteful number, since it uses less digits than its factorization.

2856222154368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317 (or 2302 counting only the distinct ones).

The product of its digits is 11059200, while the sum is 54.

The spelling of 2856222154368 in words is "two trillion, eight hundred fifty-six billion, two hundred twenty-two million, one hundred fifty-four thousand, three hundred sixty-eight".