2585041856 has 28 divisors (see below), whose sum is σ = 5134904640. Its totient is φ = 1291207680.

The previous prime is 2585041853. The next prime is 2585041859. The reversal of 2585041856 is 6581405852.

It is an interprime number because it is at equal distance from previous prime (2585041853) and next prime (2585041859).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585041853) 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 3 ways as a sum of consecutive naturals, for example, 44561 + ... + 84591.

Almost surely, 2^2585041856 is an apocalyptic number.

It is an amenable number.

2585041856 is a deficient number, since it is larger than the sum of its proper divisors (2549862784).

2585041856 is a wasteful number, since it uses less digits than its factorization.

2585041856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41052 (or 41042 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 44.

The square root of 2585041856 is about 50843.3068948116. The cubic root of 2585041856 is about 1372.4268095007.

The spelling of 2585041856 in words is "two billion, five hundred eighty-five million, forty-one thousand, eight hundred fifty-six".