26806646042804 has 12 divisors (see below), whose sum is σ = 49380663763200. Its totient is φ = 12697884967608.

The previous prime is 26806646042731. The next prime is 26806646042807. The reversal of 26806646042804 is 40824064660862.

It is a self number, because there is not a number n which added to its sum of digits gives 26806646042804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26806646042807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176359513364 + ... + 176359513515.

It is an arithmetic number, because the mean of its divisors is an integer number (4115055313600).

Almost surely, 2^{26806646042804} is an apocalyptic number.

It is an amenable number.

26806646042804 is a deficient number, since it is larger than the sum of its proper divisors (22574017720396).

26806646042804 is a wasteful number, since it uses less digits than its factorization.

26806646042804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352719026902 (or 352719026900 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 26806646042804 in words is "twenty-six trillion, eight hundred six billion, six hundred forty-six million, forty-two thousand, eight hundred four".