25600630445 has 16 divisors (see below), whose sum is σ = 33156323760. Its totient is φ = 18863691264.

The previous prime is 25600630403. The next prime is 25600630453. The reversal of 25600630445 is 54403600652.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1915112644 + 23685517801 = 43762^2 + 153901^2 .

It is a cyclic number.

It is not a de Polignac number, because 25600630445 - 2⁸ = 25600630189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401210 + ... + 460619.

It is an arithmetic number, because the mean of its divisors is an integer number (2072270235).

Almost surely, 2^25600630445 is an apocalyptic number.

It is an amenable number.

25600630445 is a deficient number, since it is larger than the sum of its proper divisors (7555693315).

25600630445 is a wasteful number, since it uses less digits than its factorization.

25600630445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 862304.

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 25600630445 in words is "twenty-five billion, six hundred million, six hundred thirty thousand, four hundred forty-five".