25656341044 has 12 divisors (see below), whose sum is σ = 47539690884. Its totient is φ = 12073572224.

The previous prime is 25656341033. The next prime is 25656341099. The reversal of 25656341044 is 44014365652.

It can be written as a sum of positive squares in 2 ways, for example, as 22063537444 + 3592803600 = 148538^2 + 59940^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25656340988 and 25656341006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188649499 + ... + 188649634.

It is an arithmetic number, because the mean of its divisors is an integer number (3961640907).

Almost surely, 2^25656341044 is an apocalyptic number.

It is an amenable number.

25656341044 is a deficient number, since it is larger than the sum of its proper divisors (21883349840).

25656341044 is a wasteful number, since it uses less digits than its factorization.

25656341044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377299154 (or 377299152 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 25656341044 in words is "twenty-five billion, six hundred fifty-six million, three hundred forty-one thousand, forty-four".