2566281804 has 48 divisors (see below), whose sum is σ = 6394321920. Its totient is φ = 799283520.

The previous prime is 2566281791. The next prime is 2566281811. The reversal of 2566281804 is 4081826652.

2566281804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 108154 + ... + 129729.

It is an arithmetic number, because the mean of its divisors is an integer number (133215040).

Almost surely, 2^2566281804 is an apocalyptic number.

It is an amenable number.

2566281804 is an abundant number, since it is smaller than the sum of its proper divisors (3828040116).

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

2566281804 is a wasteful number, since it uses less digits than its factorization.

2566281804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237950 (or 237948 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 2566281804 is about 50658.4820538476. The cubic root of 2566281804 is about 1369.0987739634.

The spelling of 2566281804 in words is "two billion, five hundred sixty-six million, two hundred eighty-one thousand, eight hundred four".