26044666009 has 16 divisors (see below), whose sum is σ = 28834990848. Its totient is φ = 23398543872.

The previous prime is 26044666007. The next prime is 26044666013. The reversal of 26044666009 is 90066644062.

It is a cyclic number.

It is not a de Polignac number, because 26044666009 - 2¹ = 26044666007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26044666007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122029 + ... + 258805.

It is an arithmetic number, because the mean of its divisors is an integer number (1802186928).

Almost surely, 2^26044666009 is an apocalyptic number.

It is an amenable number.

26044666009 is a deficient number, since it is larger than the sum of its proper divisors (2790324839).

26044666009 is a wasteful number, since it uses less digits than its factorization.

26044666009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137304.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 26044666009 in words is "twenty-six billion, forty-four million, six hundred sixty-six thousand, nine".