2556035982 has 24 divisors (see below), whose sum is σ = 5642572104. Its totient is φ = 835935984.

The previous prime is 2556035927. The next prime is 2556035983. The reversal of 2556035982 is 2895306552.

2556035982 is a `hidden beast` number, since 2 + 5 + 56 + 0 + 3 + 598 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2556035983) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1338688 + ... + 1340595.

It is an arithmetic number, because the mean of its divisors is an integer number (235107171).

Almost surely, 2^2556035982 is an apocalyptic number.

2556035982 is an abundant number, since it is smaller than the sum of its proper divisors (3086536122).

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

2556035982 is a wasteful number, since it uses less digits than its factorization.

2556035982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679344 (or 2679341 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The square root of 2556035982 is about 50557.2544942860. The cubic root of 2556035982 is about 1367.2743118110.

The spelling of 2556035982 in words is "two billion, five hundred fifty-six million, thirty-five thousand, nine hundred eighty-two".