44506645521 has 8 divisors (see below), whose sum is σ = 63906978240. Its totient is φ = 27388704912.

The previous prime is 44506645517. The next prime is 44506645543. The reversal of 44506645521 is 12554660544.

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

It is not a de Polignac number, because 44506645521 - 2² = 44506645517 is a prime.

It is a super-2 number, since 2×44506645521² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (44506645571) 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, 570597981 + ... + 570598058.

It is an arithmetic number, because the mean of its divisors is an integer number (7988372280).

Almost surely, 2^44506645521 is an apocalyptic number.

It is an amenable number.

44506645521 is a deficient number, since it is larger than the sum of its proper divisors (19400332719).

44506645521 is a wasteful number, since it uses less digits than its factorization.

44506645521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141196055.

The product of its (nonzero) digits is 576000, while the sum is 42.

The spelling of 44506645521 in words is "forty-four billion, five hundred six million, six hundred forty-five thousand, five hundred twenty-one".