25344344221252 has 12 divisors (see below), whose sum is σ = 50688688442560. Its totient is φ = 10861861809096.

The previous prime is 25344344221201. The next prime is 25344344221289. The reversal of 25344344221252 is 25212244344352.

25344344221252 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 25344344221199 and 25344344221208.

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, 452577575352 + ... + 452577575407.

Almost surely, 2^{25344344221252} is an apocalyptic number.

It is an amenable number.

25344344221252 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25344344221252 is a wasteful number, since it uses less digits than its factorization.

25344344221252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905155150770 (or 905155150768 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 43.

The spelling of 25344344221252 in words is "twenty-five trillion, three hundred forty-four billion, three hundred forty-four million, two hundred twenty-one thousand, two hundred fifty-two".