26268758856 has 24 divisors (see below), whose sum is σ = 71144555430. Its totient is φ = 8756252928.

The previous prime is 26268758843. The next prime is 26268758863. The reversal of 26268758856 is 65885786262.

26268758856 is a `hidden beast` number, since 26 + 26 + 8 + 7 + 588 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22061160900 + 4207597956 = 148530^2 + 64866^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 26268758793 and 26268758802.

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 5 ways as a sum of consecutive naturals, for example, 182421865 + ... + 182422008.

Almost surely, 2^26268758856 is an apocalyptic number.

It is an amenable number.

26268758856 is an abundant number, since it is smaller than the sum of its proper divisors (44875796574).

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

26268758856 is a wasteful number, since it uses less digits than its factorization.

26268758856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364843885 (or 364843878 counting only the distinct ones).

The product of its digits is 77414400, while the sum is 63.

The spelling of 26268758856 in words is "twenty-six billion, two hundred sixty-eight million, seven hundred fifty-eight thousand, eight hundred fifty-six".