26644444662 has 48 divisors (see below), whose sum is σ = 60156872496. Its totient is φ = 7855848000.

The previous prime is 26644444639. The next prime is 26644444681.

26644444662 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 469089 + ... + 522812.

It is an arithmetic number, because the mean of its divisors is an integer number (1253268177).

Almost surely, 2^26644444662 is an apocalyptic number.

26644444662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26644444662 is an abundant number, since it is smaller than the sum of its proper divisors (33512427834).

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

26644444662 is a wasteful number, since it uses less digits than its factorization.

26644444662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991965 (or 991954 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 48.

The spelling of 26644444662 in words is "twenty-six billion, six hundred forty-four million, four hundred forty-four thousand, six hundred sixty-two".