2566263407 has 16 divisors (see below), whose sum is σ = 2749469184. Its totient is φ = 2386800000.

The previous prime is 2566263397. The next prime is 2566263419. The reversal of 2566263407 is 7043626652.

It is not a de Polignac number, because 2566263407 - 2⁴ = 2566263391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566263457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 556682 + ... + 561272.

It is an arithmetic number, because the mean of its divisors is an integer number (171841824).

Almost surely, 2^2566263407 is an apocalyptic number.

2566263407 is a deficient number, since it is larger than the sum of its proper divisors (183205777).

2566263407 is a wasteful number, since it uses less digits than its factorization.

2566263407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 2566263407 is about 50658.3004748481. The cubic root of 2566263407 is about 1369.0955023858.

The spelling of 2566263407 in words is "two billion, five hundred sixty-six million, two hundred sixty-three thousand, four hundred seven".