25284384507968 has 56 divisors (see below), whose sum is σ = 51694799129880. Its totient is φ = 12264601374720.

The previous prime is 25284384507919. The next prime is 25284384508001. The reversal of 25284384507968 is 86970548348252.

It can be written as a sum of positive squares in 4 ways, for example, as 2865598924864 + 22418785583104 = 1692808^2 + 4734848^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 44074823 + ... + 44644806.

Almost surely, 2^{25284384507968} is an apocalyptic number.

It is an amenable number.

25284384507968 is an abundant number, since it is smaller than the sum of its proper divisors (26410414621912).

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

25284384507968 is an equidigital number, since it uses as much as digits as its factorization.

25284384507968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88719775 (or 88719765 counting only the distinct ones).

The product of its (nonzero) digits is 928972800, while the sum is 71.

The spelling of 25284384507968 in words is "twenty-five trillion, two hundred eighty-four billion, three hundred eighty-four million, five hundred seven thousand, nine hundred sixty-eight".