26689744590928 has 20 divisors (see below), whose sum is σ = 51711510251520. Its totient is φ = 13344838719584.

The previous prime is 26689744590871. The next prime is 26689744591043. The reversal of 26689744590928 is 82909544798662.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5236401 + ... + 8988847.

It is an arithmetic number, because the mean of its divisors is an integer number (2585575512576).

Almost surely, 2^{26689744590928} is an apocalyptic number.

It is an amenable number.

26689744590928 is a deficient number, since it is larger than the sum of its proper divisors (25021765660592).

26689744590928 is a wasteful number, since it uses less digits than its factorization.

26689744590928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4196994 (or 4196988 counting only the distinct ones).

The product of its (nonzero) digits is 3762339840, while the sum is 79.

The spelling of 26689744590928 in words is "twenty-six trillion, six hundred eighty-nine billion, seven hundred forty-four million, five hundred ninety thousand, nine hundred twenty-eight".