2585840041 has 4 divisors (see below), whose sum is σ = 2586304084. Its totient is φ = 2585376000.

The previous prime is 2585840039. The next prime is 2585840057. The reversal of 2585840041 is 1400485852.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2390818816 + 195021225 = 48896^2 + 13965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2585840041 - 2¹ = 2585840039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2585840011) 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, 223560 + ... + 234841.

It is an arithmetic number, because the mean of its divisors is an integer number (646576021).

Almost surely, 2^2585840041 is an apocalyptic number.

It is an amenable number.

2585840041 is a deficient number, since it is larger than the sum of its proper divisors (464043).

2585840041 is an equidigital number, since it uses as much as digits as its factorization.

2585840041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464042.

The product of its (nonzero) digits is 51200, while the sum is 37.

The square root of 2585840041 is about 50851.1557489110. The cubic root of 2585840041 is about 1372.5680499945.

The spelling of 2585840041 in words is "two billion, five hundred eighty-five million, eight hundred forty thousand, forty-one".