2566840896 has 63 divisors (see below), whose sum is σ = 7360872883. Its totient is φ = 855208320.

The previous prime is 2566840883. The next prime is 2566840921. The reversal of 2566840896 is 6980486652.

It is a happy number.

The square root of 2566840896 is 50664.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1214881 + ... + 1216991.

Almost surely, 2^2566840896 is an apocalyptic number.

2566840896 is the 50664-th square number.

It is an amenable number.

2566840896 is an abundant number, since it is smaller than the sum of its proper divisors (4794031987).

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

2566840896 is an frugal number, since it uses more digits than its factorization.

2566840896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The cubic root of 2566840896 is about 1369.1981910253.

It can be divided in two parts, 25668 and 40896, that added together give a square (66564 = 258²).

The spelling of 2566840896 in words is "two billion, five hundred sixty-six million, eight hundred forty thousand, eight hundred ninety-six".