25244644252 has 6 divisors (see below), whose sum is σ = 44178127448. Its totient is φ = 12622322124.

The previous prime is 25244644237. The next prime is 25244644283.

25244644252 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3155580528 + ... + 3155580535.

Almost surely, 2^25244644252 is an apocalyptic number.

It is an amenable number.

25244644252 is a deficient number, since it is larger than the sum of its proper divisors (18933483196).

25244644252 is a wasteful number, since it uses less digits than its factorization.

25244644252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6311161067 (or 6311161065 counting only the distinct ones).

The product of its digits is 614400, while the sum is 40.

The spelling of 25244644252 in words is "twenty-five billion, two hundred forty-four million, six hundred forty-four thousand, two hundred fifty-two".