26446880213 has 32 divisors (see below), whose sum is σ = 29940019200. Its totient is φ = 23202507456.

The previous prime is 26446880209. The next prime is 26446880233. The reversal of 26446880213 is 31208864462.

It is a cyclic number.

It is not a de Polignac number, because 26446880213 - 2² = 26446880209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26446880233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2987648 + ... + 2996486.

It is an arithmetic number, because the mean of its divisors is an integer number (935625600).

Almost surely, 2^26446880213 is an apocalyptic number.

It is an amenable number.

26446880213 is a deficient number, since it is larger than the sum of its proper divisors (3493138987).

26446880213 is a wasteful number, since it uses less digits than its factorization.

26446880213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9041.

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 26446880213 in words is "twenty-six billion, four hundred forty-six million, eight hundred eighty thousand, two hundred thirteen".