26268642842864 has 10 divisors (see below), whose sum is σ = 50895495508080. Its totient is φ = 13134321421424.

The previous prime is 26268642842851. The next prime is 26268642842873. The reversal of 26268642842864 is 46824824686262.

It is a junction number, because it is equal to n+sod(n) for n = 26268642842794 and 26268642842803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 820895088824 + ... + 820895088855.

It is an arithmetic number, because the mean of its divisors is an integer number (5089549550808).

Almost surely, 2^{26268642842864} is an apocalyptic number.

It is an amenable number.

26268642842864 is a deficient number, since it is larger than the sum of its proper divisors (24626852665216).

26268642842864 is a wasteful number, since it uses less digits than its factorization.

26268642842864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641790177687 (or 1641790177681 counting only the distinct ones).

The product of its digits is 679477248, while the sum is 68.

The spelling of 26268642842864 in words is "twenty-six trillion, two hundred sixty-eight billion, six hundred forty-two million, eight hundred forty-two thousand, eight hundred sixty-four".