2868568128 has 224 divisors, whose sum is σ = 8672901120. Its totient is φ = 929456640.

The previous prime is 2868568097. The next prime is 2868568133. The reversal of 2868568128 is 8218658682.

It is a happy number.

2868568128 is a `hidden beast` number, since 2 + 8 + 68 + 568 + 12 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12636751 + ... + 12636977.

Almost surely, 2^2868568128 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 2868568128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4336450560).

2868568128 is an abundant number, since it is smaller than the sum of its proper divisors (5804332992).

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

2868568128 is a wasteful number, since it uses less digits than its factorization.

2868568128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 406 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The square root of 2868568128 is about 53559.0153755649. The cubic root of 2868568128 is about 1420.8723278556.

The spelling of 2868568128 in words is "two billion, eight hundred sixty-eight million, five hundred sixty-eight thousand, one hundred twenty-eight".