44640302666617 has 12 divisors (see below), whose sum is σ = 51928635223296. Its totient is φ = 38263028241480.

The previous prime is 44640302666507. The next prime is 44640302666647. The reversal of 44640302666617 is 71666620304644.

It is a happy number.

It is not a de Polignac number, because 44640302666617 - 2¹¹ = 44640302664569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44640302666647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29156868 + ... + 30649690.

It is an arithmetic number, because the mean of its divisors is an integer number (4327386268608).

Almost surely, 2^{44640302666617} is an apocalyptic number.

It is an amenable number.

44640302666617 is a deficient number, since it is larger than the sum of its proper divisors (7288332556679).

44640302666617 is a wasteful number, since it uses less digits than its factorization.

44640302666617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2103108 (or 2103101 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 55.

The spelling of 44640302666617 in words is "forty-four trillion, six hundred forty billion, three hundred two million, six hundred sixty-six thousand, six hundred seventeen".