25922040856 has 16 divisors (see below), whose sum is σ = 48609658440. Its totient is φ = 12959465280.

The previous prime is 25922040853. The next prime is 25922040869. The reversal of 25922040856 is 65804022952.

It is a super-3 number, since 3×25922040856³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25922040853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121966 + ... + 258301.

Almost surely, 2^25922040856 is an apocalyptic number.

It is an amenable number.

25922040856 is a deficient number, since it is larger than the sum of its proper divisors (22687617584).

25922040856 is a wasteful number, since it uses less digits than its factorization.

25922040856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388794 (or 388790 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 25922040856 in words is "twenty-five billion, nine hundred twenty-two million, forty thousand, eight hundred fifty-six".