44323304521 has 4 divisors (see below), whose sum is σ = 44402880132. Its totient is φ = 44243728912.

The previous prime is 44323304477. The next prime is 44323304533. The reversal of 44323304521 is 12540332344.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1111288896 + 43212015625 = 33336^2 + 207875^2 .

It is a cyclic number.

It is not a de Polignac number, because 44323304521 - 2¹⁵ = 44323271753 is a prime.

It is a super-2 number, since 2×44323304521² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44323304591) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39786970 + ... + 39788083.

It is an arithmetic number, because the mean of its divisors is an integer number (11100720033).

Almost surely, 2^44323304521 is an apocalyptic number.

It is an amenable number.

44323304521 is a deficient number, since it is larger than the sum of its proper divisors (79575611).

44323304521 is an equidigital number, since it uses as much as digits as its factorization.

44323304521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79575610.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 44323304521 its reverse (12540332344), we get a palindrome (56863636865).

The spelling of 44323304521 in words is "forty-four billion, three hundred twenty-three million, three hundred four thousand, five hundred twenty-one".