2556404520282 has 24 divisors (see below), whose sum is σ = 5539440138804. Its totient is φ = 852048120384.

The previous prime is 2556404520281. The next prime is 2556404520287. The reversal of 2556404520282 is 2820254046552.

2556404520282 is a `hidden beast` number, since 2 + 5 + 5 + 6 + 40 + 4 + 520 + 2 + 82 = 666.

2556404520282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2238521676561 + 317882843721 = 1496169^2 + 563811^2 .

It is not an unprimeable number, because it can be changed into a prime (2556404520281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7044733 + ... + 7398720.

Almost surely, 2^{2556404520282} is an apocalyptic number.

2556404520282 is an abundant number, since it is smaller than the sum of its proper divisors (2983035618522).

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

2556404520282 is a wasteful number, since it uses less digits than its factorization.

2556404520282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14453294 (or 14453291 counting only the distinct ones).

The product of its (nonzero) digits is 1536000, while the sum is 45.

The spelling of 2556404520282 in words is "two trillion, five hundred fifty-six billion, four hundred four million, five hundred twenty thousand, two hundred eighty-two".