26443605256 has 8 divisors (see below), whose sum is σ = 49581759870. Its totient is φ = 13221802624.

The previous prime is 26443605233. The next prime is 26443605271. The reversal of 26443605256 is 65250634462.

It can be written as a sum of positive squares in only one way, i.e., 14793856900 + 11649748356 = 121630^2 + 107934^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652725321 + ... + 1652725336.

Almost surely, 2^26443605256 is an apocalyptic number.

It is an amenable number.

26443605256 is a deficient number, since it is larger than the sum of its proper divisors (23138154614).

26443605256 is a wasteful number, since it uses less digits than its factorization.

26443605256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3305450663 (or 3305450659 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 26443605256 in words is "twenty-six billion, four hundred forty-three million, six hundred five thousand, two hundred fifty-six".