2566264734 has 32 divisors (see below), whose sum is σ = 6221249280. Its totient is φ = 777655800.

The previous prime is 2566264669. The next prime is 2566264769. The reversal of 2566264734 is 4374626652.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2566264734.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2159562 + ... + 2160749.

It is an arithmetic number, because the mean of its divisors is an integer number (194414040).

Almost surely, 2^2566264734 is an apocalyptic number.

2566264734 is an abundant number, since it is smaller than the sum of its proper divisors (3654984546).

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

2566264734 is a wasteful number, since it uses less digits than its factorization.

2566264734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4320333 (or 4320327 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 45.

The square root of 2566264734 is about 50658.3135724039. The cubic root of 2566264734 is about 1369.0957383695.

The spelling of 2566264734 in words is "two billion, five hundred sixty-six million, two hundred sixty-four thousand, seven hundred thirty-four".