25484936852 has 24 divisors (see below), whose sum is σ = 45227616000. Its totient is φ = 12562900416.

The previous prime is 25484936809. The next prime is 25484936881. The reversal of 25484936852 is 25863948452.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 777899 + ... + 809997.

It is an arithmetic number, because the mean of its divisors is an integer number (1884484000).

Almost surely, 2^25484936852 is an apocalyptic number.

It is an amenable number.

25484936852 is a deficient number, since it is larger than the sum of its proper divisors (19742679148).

25484936852 is a wasteful number, since it uses less digits than its factorization.

25484936852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34895 (or 34893 counting only the distinct ones).

The product of its digits is 16588800, while the sum is 56.

The spelling of 25484936852 in words is "twenty-five billion, four hundred eighty-four million, nine hundred thirty-six thousand, eight hundred fifty-two".