44395666660 has 24 divisors (see below), whose sum is σ = 93638031480. Its totient is φ = 17680717824.

The previous prime is 44395666631. The next prime is 44395666729. The reversal of 44395666660 is 6666659344.

It can be written as a sum of positive squares in 4 ways, for example, as 9558190756 + 34837475904 = 97766^2 + 186648^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4842109 + ... + 4851268.

It is an arithmetic number, because the mean of its divisors is an integer number (3901584645).

Almost surely, 2^44395666660 is an apocalyptic number.

It is an amenable number.

44395666660 is an abundant number, since it is smaller than the sum of its proper divisors (49242364820).

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

44395666660 is a wasteful number, since it uses less digits than its factorization.

44395666660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9693615 (or 9693613 counting only the distinct ones).

The product of its (nonzero) digits is 16796160, while the sum is 55.

The spelling of 44395666660 in words is "forty-four billion, three hundred ninety-five million, six hundred sixty-six thousand, six hundred sixty".