2560021596 has 72 divisors (see below), whose sum is σ = 7067319168. Its totient is φ = 774900000.

The previous prime is 2560021589. The next prime is 2560021613. The reversal of 2560021596 is 6951200652.

2560021596 is a `hidden beast` number, since 2 + 5 + 60 + 0 + 2 + 1 + 596 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2560021596.

It is a congruent number.

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, 413121 + ... + 419271.

Almost surely, 2^2560021596 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 2560021596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3533659584).

2560021596 is an abundant number, since it is smaller than the sum of its proper divisors (4507297572).

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

2560021596 is a wasteful number, since it uses less digits than its factorization.

2560021596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223 (or 7218 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 2560021596 is about 50596.6559764576. The cubic root of 2560021596 is about 1367.9846040639.

The spelling of 2560021596 in words is "two billion, five hundred sixty million, twenty-one thousand, five hundred ninety-six".