2566425036 has 72 divisors (see below), whose sum is σ = 6993016576. Its totient is φ = 717611040.

The previous prime is 2566425007. The next prime is 2566425079. The reversal of 2566425036 is 6305246652.

It is a hoax number, since the sum of its digits (39) 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 = 2566424985 and 2566425003.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178641 + ... + 192471.

Almost surely, 2^2566425036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2566425036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3496508288).

2566425036 is an abundant number, since it is smaller than the sum of its proper divisors (4426591540).

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

2566425036 is a wasteful number, since it uses less digits than its factorization.

2566425036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13939 (or 13890 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

The square root of 2566425036 is about 50659.8957361738. The cubic root of 2566425036 is about 1369.1242446797.

The spelling of 2566425036 in words is "two billion, five hundred sixty-six million, four hundred twenty-five thousand, thirty-six".