25789448441856 has 156 divisors (see below), whose sum is σ = 75582989305376. Its totient is φ = 7814983925760.

The previous prime is 25789448441837. The next prime is 25789448441857. The reversal of 25789448441856 is 65814484498752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25789448441857) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 7185676 + ... + 10159371.

Almost surely, 2^{25789448441856} is an apocalyptic number.

It is an amenable number.

25789448441856 is an abundant number, since it is smaller than the sum of its proper divisors (49793540863520).

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

25789448441856 is a wasteful number, since it uses less digits than its factorization.

25789448441856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17345096 (or 17345063 counting only the distinct ones).

The product of its digits is 2477260800, while the sum is 75.

The spelling of 25789448441856 in words is "twenty-five trillion, seven hundred eighty-nine billion, four hundred forty-eight million, four hundred forty-one thousand, eight hundred fifty-six".