25768285445 has 16 divisors (see below), whose sum is σ = 36006145920. Its totient is φ = 17336289984.

The previous prime is 25768285429. The next prime is 25768285457. The reversal of 25768285445 is 54458286752.

It is a cyclic number.

It is not a de Polignac number, because 25768285445 - 2⁴ = 25768285429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6943775 + ... + 6947484.

It is an arithmetic number, because the mean of its divisors is an integer number (2250384120).

Almost surely, 2^25768285445 is an apocalyptic number.

It is an amenable number.

25768285445 is a deficient number, since it is larger than the sum of its proper divisors (10237860475).

25768285445 is a wasteful number, since it uses less digits than its factorization.

25768285445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891324.

The product of its digits is 21504000, while the sum is 56.

The spelling of 25768285445 in words is "twenty-five billion, seven hundred sixty-eight million, two hundred eighty-five thousand, four hundred forty-five".