26689775288560 has 40 divisors (see below), whose sum is σ = 65703946816656. Its totient is φ = 10047915402240.

The previous prime is 26689775288483. The next prime is 26689775288567. The reversal of 26689775288560 is 6588257798662.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26689775288567) 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 in 7 ways as a sum of consecutive naturals, for example, 9812416026 + ... + 9812418745.

Almost surely, 2^{26689775288560} is an apocalyptic number.

26689775288560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26689775288560 is an abundant number, since it is smaller than the sum of its proper divisors (39014171528096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26689775288560 is a wasteful number, since it uses less digits than its factorization.

26689775288560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19624834801 (or 19624834795 counting only the distinct ones).

The product of its (nonzero) digits is 4877107200, while the sum is 79.

The spelling of 26689775288560 in words is "twenty-six trillion, six hundred eighty-nine billion, seven hundred seventy-five million, two hundred eighty-eight thousand, five hundred sixty".