26881803428268 has 48 divisors (see below), whose sum is σ = 66811555206144. Its totient is φ = 8383006905600.

The previous prime is 26881803428237. The next prime is 26881803428279. The reversal of 26881803428268 is 86282430818862.

It is a junction number, because it is equal to n+sod(n) for n = 26881803428199 and 26881803428208.

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 15 ways as a sum of consecutive naturals, for example, 394497508 + ... + 394565643.

It is an arithmetic number, because the mean of its divisors is an integer number (1391907400128).

Almost surely, 2^{26881803428268} is an apocalyptic number.

It is an amenable number.

26881803428268 is an abundant number, since it is smaller than the sum of its proper divisors (39929751777876).

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

26881803428268 is a wasteful number, since it uses less digits than its factorization.

26881803428268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789063342 (or 789063340 counting only the distinct ones).

The product of its (nonzero) digits is 113246208, while the sum is 66.

The spelling of 26881803428268 in words is "twenty-six trillion, eight hundred eighty-one billion, eight hundred three million, four hundred twenty-eight thousand, two hundred sixty-eight".