26228668682 has 4 divisors (see below), whose sum is σ = 39343003026. Its totient is φ = 13114334340.

The previous prime is 26228668681. The next prime is 26228668717. The reversal of 26228668682 is 28686682262.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24809715121 + 1418953561 = 157511^2 + 37669^2 .

It is not an unprimeable number, because it can be changed into a prime (26228668681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6557167169 + ... + 6557167172.

Almost surely, 2^26228668682 is an apocalyptic number.

26228668682 is a deficient number, since it is larger than the sum of its proper divisors (13114334344).

26228668682 is a wasteful number, since it uses less digits than its factorization.

26228668682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13114334343.

The product of its digits is 10616832, while the sum is 56.

The spelling of 26228668682 in words is "twenty-six billion, two hundred twenty-eight million, six hundred sixty-eight thousand, six hundred eighty-two".