2568301648 has 40 divisors (see below), whose sum is σ = 5451258240. Its totient is φ = 1162506240.

The previous prime is 2568301643. The next prime is 2568301657. The reversal of 2568301648 is 8461038652.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2568301643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11536 + ... + 72592.

It is an arithmetic number, because the mean of its divisors is an integer number (136281456).

Almost surely, 2^2568301648 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 2568301648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2725629120).

2568301648 is an abundant number, since it is smaller than the sum of its proper divisors (2882956592).

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

2568301648 is a wasteful number, since it uses less digits than its factorization.

2568301648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61315 (or 61309 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 2568301648 is about 50678.4140241188. The cubic root of 2568301648 is about 1369.4578720620.

The spelling of 2568301648 in words is "two billion, five hundred sixty-eight million, three hundred one thousand, six hundred forty-eight".