26444434460223 has 16 divisors (see below), whose sum is σ = 37974233491040. Its totient is φ = 16272324762624.

The previous prime is 26444434460219. The next prime is 26444434460239. The reversal of 26444434460223 is 32206443444462.

It is not a de Polignac number, because 26444434460223 - 2² = 26444434460219 is a prime.

It is a super-2 number, since 2×26444434460223² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26444434460203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23897158 + ... + 24979251.

It is an arithmetic number, because the mean of its divisors is an integer number (2373389593190).

Almost surely, 2^{26444434460223} is an apocalyptic number.

26444434460223 is a deficient number, since it is larger than the sum of its proper divisors (11529799030817).

26444434460223 is a wasteful number, since it uses less digits than its factorization.

26444434460223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48890298.

The product of its (nonzero) digits is 10616832, while the sum is 48.

The spelling of 26444434460223 in words is "twenty-six trillion, four hundred forty-four billion, four hundred thirty-four million, four hundred sixty thousand, two hundred twenty-three".