25804816441 has 8 divisors (see below), whose sum is σ = 25992000000. Its totient is φ = 25618175760.

The previous prime is 25804816403. The next prime is 25804816459. The reversal of 25804816441 is 14461840852.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25804816441 - 2¹⁹ = 25804292153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25804826441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40066 + ... + 230683.

It is an arithmetic number, because the mean of its divisors is an integer number (3249000000).

Almost surely, 2^25804816441 is an apocalyptic number.

It is an amenable number.

25804816441 is a deficient number, since it is larger than the sum of its proper divisors (187183559).

25804816441 is a wasteful number, since it uses less digits than its factorization.

25804816441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271439.

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 25804816441 in words is "twenty-five billion, eight hundred four million, eight hundred sixteen thousand, four hundred forty-one".