44643116605 has 16 divisors (see below), whose sum is σ = 54242535024. Its totient is φ = 35270000640.

The previous prime is 44643116599. The next prime is 44643116621. The reversal of 44643116605 is 50661134644.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 323604121 + 44319512484 = 17989^2 + 210522^2 .

It is not a de Polignac number, because 44643116605 - 2⁷ = 44643116477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36636 + ... + 301045.

It is an arithmetic number, because the mean of its divisors is an integer number (3390158439).

Almost surely, 2^44643116605 is an apocalyptic number.

It is an amenable number.

44643116605 is a deficient number, since it is larger than the sum of its proper divisors (9599418419).

44643116605 is a wasteful number, since it uses less digits than its factorization.

44643116605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338016.

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 44643116605 in words is "forty-four billion, six hundred forty-three million, one hundred sixteen thousand, six hundred five".