44601640665 has 8 divisors (see below), whose sum is σ = 71362625088. Its totient is φ = 23787541680.

The previous prime is 44601640663. The next prime is 44601640669. The reversal of 44601640665 is 56604610644.

44601640665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 44601640665 - 2¹ = 44601640663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44601640663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1486721341 + ... + 1486721370.

It is an arithmetic number, because the mean of its divisors is an integer number (8920328136).

Almost surely, 2^44601640665 is an apocalyptic number.

It is an amenable number.

44601640665 is a deficient number, since it is larger than the sum of its proper divisors (26760984423).

44601640665 is a wasteful number, since it uses less digits than its factorization.

44601640665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973442719.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 44601640665 in words is "forty-four billion, six hundred one million, six hundred forty thousand, six hundred sixty-five".