44407913866 has 8 divisors (see below), whose sum is σ = 66654767844. Its totient is φ = 22189657920.

The previous prime is 44407913863. The next prime is 44407913867. The reversal of 44407913866 is 66831970444.

It can be written as a sum of positive squares in 2 ways, for example, as 43365980025 + 1041933841 = 208245^2 + 32279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (44407913863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7145625 + ... + 7151836.

Almost surely, 2^44407913866 is an apocalyptic number.

44407913866 is a deficient number, since it is larger than the sum of its proper divisors (22246853978).

44407913866 is a wasteful number, since it uses less digits than its factorization.

44407913866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14299016.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 44407913866 in words is "forty-four billion, four hundred seven million, nine hundred thirteen thousand, eight hundred sixty-six".