25255222768 has 10 divisors (see below), whose sum is σ = 48931994144. Its totient is φ = 12627611376.

The previous prime is 25255222753. The next prime is 25255222813. The reversal of 25255222768 is 86722255252.

It is a super-2 number, since 2×25255222768² (a number of 22 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 789225696 + ... + 789225727.

Almost surely, 2^25255222768 is an apocalyptic number.

It is an amenable number.

25255222768 is a deficient number, since it is larger than the sum of its proper divisors (23676771376).

25255222768 is a wasteful number, since it uses less digits than its factorization.

25255222768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1578451431 (or 1578451425 counting only the distinct ones).

The product of its digits is 1344000, while the sum is 46.

The spelling of 25255222768 in words is "twenty-five billion, two hundred fifty-five million, two hundred twenty-two thousand, seven hundred sixty-eight".