2556210536 has 32 divisors (see below), whose sum is σ = 5255189280. Its totient is φ = 1156008000.

The previous prime is 2556210533. The next prime is 2556210583. The reversal of 2556210536 is 6350126552.

It is a junction number, because it is equal to n+sod(n) for n = 2556210496 and 2556210505.

It is not an unprimeable number, because it can be changed into a prime (2556210533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56390 + ... + 91061.

It is an arithmetic number, because the mean of its divisors is an integer number (164224665).

Almost surely, 2^2556210536 is an apocalyptic number.

It is an amenable number.

2556210536 is an abundant number, since it is smaller than the sum of its proper divisors (2698978744).

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

2556210536 is a wasteful number, since it uses less digits than its factorization.

2556210536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147665 (or 147661 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 2556210536 is about 50558.9807650431. The cubic root of 2556210536 is about 1367.3054352341.

The spelling of 2556210536 in words is "two billion, five hundred fifty-six million, two hundred ten thousand, five hundred thirty-six".