26254256656 has 10 divisors (see below), whose sum is σ = 50867622302. Its totient is φ = 13127128320.

The previous prime is 26254256653. The next prime is 26254256681. The reversal of 26254256656 is 65665245262.

It can be written as a sum of positive squares in only one way, i.e., 24092006656 + 2162250000 = 155216^2 + 46500^2 .

It is not an unprimeable number, because it can be changed into a prime (26254256653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820445505 + ... + 820445536.

Almost surely, 2^26254256656 is an apocalyptic number.

It is an amenable number.

26254256656 is a deficient number, since it is larger than the sum of its proper divisors (24613365646).

26254256656 is a wasteful number, since it uses less digits than its factorization.

26254256656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640891049 (or 1640891043 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 49.

The spelling of 26254256656 in words is "twenty-six billion, two hundred fifty-four million, two hundred fifty-six thousand, six hundred fifty-six".