2566442250 has 96 divisors (see below), whose sum is σ = 6952697856. Its totient is φ = 683100000.

The previous prime is 2566442237. The next prime is 2566442257. The reversal of 2566442250 is 522446652.

2566442250 is a `hidden beast` number, since 2 + 5 + 6 + 644 + 2 + 2 + 5 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (2566442257) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2229175 + ... + 2230325.

It is an arithmetic number, because the mean of its divisors is an integer number (72423936).

Almost surely, 2^2566442250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566442250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3476348928).

2566442250 is an abundant number, since it is smaller than the sum of its proper divisors (4386255606).

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

2566442250 is a wasteful number, since it uses less digits than its factorization.

2566442250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2566442250 is about 50660.0656335935. The cubic root of 2566442250 is about 1369.1273057538.

The spelling of 2566442250 in words is "two billion, five hundred sixty-six million, four hundred forty-two thousand, two hundred fifty".