2599520056 has 16 divisors (see below), whose sum is σ = 5570400240. Its totient is φ = 1114080000.

The previous prime is 2599520051. The next prime is 2599520057. The reversal of 2599520056 is 6500259952.

2599520056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2599519994 and 2599520021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2599520051) 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, 23209945 + ... + 23210056.

It is an arithmetic number, because the mean of its divisors is an integer number (348150015).

Almost surely, 2^2599520056 is an apocalyptic number.

It is an amenable number.

2599520056 is an abundant number, since it is smaller than the sum of its proper divisors (2970880184).

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

2599520056 is a wasteful number, since it uses less digits than its factorization.

2599520056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46420014 (or 46420010 counting only the distinct ones).

The product of its (nonzero) digits is 243000, while the sum is 43.

The square root of 2599520056 is about 50985.4886806040. The cubic root of 2599520056 is about 1374.9842521172.

The spelling of 2599520056 in words is "two billion, five hundred ninety-nine million, five hundred twenty thousand, fifty-six".