2568448276 has 6 divisors (see below), whose sum is σ = 4494784490. Its totient is φ = 1284224136.

The previous prime is 2568448219. The next prime is 2568448297. The reversal of 2568448276 is 6728448652.

It can be written as a sum of positive squares in only one way, i.e., 1404000900 + 1164447376 = 37470^2 + 34124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321056031 + ... + 321056038.

Almost surely, 2^2568448276 is an apocalyptic number.

It is an amenable number.

2568448276 is a deficient number, since it is larger than the sum of its proper divisors (1926336214).

2568448276 is a wasteful number, since it uses less digits than its factorization.

2568448276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642112073 (or 642112071 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The square root of 2568448276 is about 50679.8606548992. The cubic root of 2568448276 is about 1369.4839329996.

The spelling of 2568448276 in words is "two billion, five hundred sixty-eight million, four hundred forty-eight thousand, two hundred seventy-six".