26444418488 has 8 divisors (see below), whose sum is σ = 49583284680. Its totient is φ = 13222209240.

The previous prime is 26444418431. The next prime is 26444418607. The reversal of 26444418488 is 88481444462.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×26444418488² (a number of 22 digits) contains 22 as substring.

It is a congruent 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 as a sum of consecutive naturals, namely, 1652776148 + ... + 1652776163.

It is an arithmetic number, because the mean of its divisors is an integer number (6197910585).

Almost surely, 2^26444418488 is an apocalyptic number.

It is an amenable number.

26444418488 is a deficient number, since it is larger than the sum of its proper divisors (23138866192).

26444418488 is a wasteful number, since it uses less digits than its factorization.

26444418488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3305552317 (or 3305552313 counting only the distinct ones).

The product of its digits is 6291456, while the sum is 53.

The spelling of 26444418488 in words is "twenty-six billion, four hundred forty-four million, four hundred eighteen thousand, four hundred eighty-eight".