26730670266 has 24 divisors (see below), whose sum is σ = 59784726144. Its totient is φ = 8622796680.

The previous prime is 26730670259. The next prime is 26730670283. The reversal of 26730670266 is 66207603762.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23951656 + ... + 23952771.

It is an arithmetic number, because the mean of its divisors is an integer number (2491030256).

Almost surely, 2^26730670266 is an apocalyptic number.

26730670266 is an abundant number, since it is smaller than the sum of its proper divisors (33054055878).

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

26730670266 is a wasteful number, since it uses less digits than its factorization.

26730670266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47904466 (or 47904463 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 26730670266 in words is "twenty-six billion, seven hundred thirty million, six hundred seventy thousand, two hundred sixty-six".