26826666422 has 4 divisors (see below), whose sum is σ = 40239999636. Its totient is φ = 13413333210.

The previous prime is 26826666359. The next prime is 26826666457. The reversal of 26826666422 is 22466662862.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6706666604 + ... + 6706666607.

It is an arithmetic number, because the mean of its divisors is an integer number (10059999909).

Almost surely, 2^26826666422 is an apocalyptic number.

26826666422 is a deficient number, since it is larger than the sum of its proper divisors (13413333214).

26826666422 is a wasteful number, since it uses less digits than its factorization.

26826666422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13413333213.

The product of its digits is 3981312, while the sum is 50.

The spelling of 26826666422 in words is "twenty-six billion, eight hundred twenty-six million, six hundred sixty-six thousand, four hundred twenty-two".