26642750656 has 28 divisors (see below), whose sum is σ = 53272806840. Its totient is φ = 13219681280.

The previous prime is 26642750609. The next prime is 26642750657. The reversal of 26642750656 is 65605724662.

It is not an unprimeable number, because it can be changed into a prime (26642750657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580521 + ... + 1597288.

Almost surely, 2^26642750656 is an apocalyptic number.

It is an amenable number.

26642750656 is a deficient number, since it is larger than the sum of its proper divisors (26630056184).

26642750656 is a wasteful number, since it uses less digits than its factorization.

26642750656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177952 (or 3177942 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 26642750656 in words is "twenty-six billion, six hundred forty-two million, seven hundred fifty thousand, six hundred fifty-six".