2556125430 has 16 divisors (see below), whose sum is σ = 6134701104. Its totient is φ = 681633440.

The previous prime is 2556125357. The next prime is 2556125477. The reversal of 2556125430 is 345216552.

2556125430 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 = 2556125391 and 2556125400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42602061 + ... + 42602120.

It is an arithmetic number, because the mean of its divisors is an integer number (383418819).

Almost surely, 2^2556125430 is an apocalyptic number.

2556125430 is an abundant number, since it is smaller than the sum of its proper divisors (3578575674).

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

2556125430 is a wasteful number, since it uses less digits than its factorization.

2556125430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85204191.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 2556125430 is about 50558.1391073683. The cubic root of 2556125430 is about 1367.2902607944.

The spelling of 2556125430 in words is "two billion, five hundred fifty-six million, one hundred twenty-five thousand, four hundred thirty".