26206806804 has 24 divisors (see below), whose sum is σ = 61167677760. Its totient is φ = 8732964864.

The previous prime is 26206806793. The next prime is 26206806869. The reversal of 26206806804 is 40860860262.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 288064 + ... + 367959.

It is an arithmetic number, because the mean of its divisors is an integer number (2548653240).

Almost surely, 2^26206806804 is an apocalyptic number.

It is an amenable number.

26206806804 is an abundant number, since it is smaller than the sum of its proper divisors (34960870956).

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

26206806804 is a wasteful number, since it uses less digits than its factorization.

26206806804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659359 (or 659357 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 26206806804 in words is "twenty-six billion, two hundred six million, eight hundred six thousand, eight hundred four".