2566234636 has 12 divisors (see below), whose sum is σ = 5132469328. Its totient is φ = 1099814832.

The previous prime is 2566234631. The next prime is 2566234651. The reversal of 2566234636 is 6364326652.

2566234636 is an admirable number.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2566234592 and 2566234601.

It is not an unprimeable number, because it can be changed into a prime (2566234631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45825591 + ... + 45825646.

Almost surely, 2^2566234636 is an apocalyptic number.

It is an amenable number.

2566234636 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2566234636 is a wasteful number, since it uses less digits than its factorization.

2566234636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91651248 (or 91651246 counting only the distinct ones).

The product of its digits is 933120, while the sum is 43.

The square root of 2566234636 is about 50658.0165028202. The cubic root of 2566234636 is about 1369.0903859463.

The spelling of 2566234636 in words is "two billion, five hundred sixty-six million, two hundred thirty-four thousand, six hundred thirty-six".