25568046396 has 36 divisors (see below), whose sum is σ = 64641488184. Its totient is φ = 8521212000.

The previous prime is 25568046391. The next prime is 25568046419. The reversal of 25568046396 is 69364086552.

25568046396 is a `hidden beast` number, since 2 + 5 + 568 + 0 + 46 + 39 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25568046391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161431 + ... + 277841.

It is an arithmetic number, because the mean of its divisors is an integer number (1795596894).

Almost surely, 2^25568046396 is an apocalyptic number.

It is an amenable number.

25568046396 is an abundant number, since it is smaller than the sum of its proper divisors (39073441788).

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

25568046396 is a wasteful number, since it uses less digits than its factorization.

25568046396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122522 (or 122517 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 25568046396 in words is "twenty-five billion, five hundred sixty-eight million, forty-six thousand, three hundred ninety-six".