2556486982 has 32 divisors (see below), whose sum is σ = 4531451904. Its totient is φ = 1058529600.

The previous prime is 2556486971. The next prime is 2556487001. The reversal of 2556486982 is 2896846552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 274482 + ... + 283642.

It is an arithmetic number, because the mean of its divisors is an integer number (141607872).

Almost surely, 2^2556486982 is an apocalyptic number.

2556486982 is a deficient number, since it is larger than the sum of its proper divisors (1974964922).

2556486982 is a wasteful number, since it uses less digits than its factorization.

2556486982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9844.

The product of its digits is 8294400, while the sum is 55.

The square root of 2556486982 is about 50561.7145872250. The cubic root of 2556486982 is about 1367.3547233617.

The spelling of 2556486982 in words is "two billion, five hundred fifty-six million, four hundred eighty-six thousand, nine hundred eighty-two".