2566425210 has 64 divisors (see below), whose sum is σ = 6366034944. Its totient is φ = 661478400.

The previous prime is 2566425193. The next prime is 2566425233. The reversal of 2566425210 is 125246652.

2566425210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

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, 1186530 + ... + 1188690.

It is an arithmetic number, because the mean of its divisors is an integer number (99469296).

Almost surely, 2^2566425210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566425210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3183017472).

2566425210 is an abundant number, since it is smaller than the sum of its proper divisors (3799609734).

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

2566425210 is a wasteful number, since it uses less digits than its factorization.

2566425210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3479.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 2566425210 is about 50659.8974535085. The cubic root of 2566425210 is about 1369.1242756213.

The spelling of 2566425210 in words is "two billion, five hundred sixty-six million, four hundred twenty-five thousand, two hundred ten".