44413321 has 4 divisors (see below), whose sum is σ = 44434692. Its totient is φ = 44391952.

The previous prime is 44413319. The next prime is 44413331. The reversal of 44413321 is 12331444.

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 5175625 + 39237696 = 2275^2 + 6264^2 .

It is a cyclic number.

It is not a de Polignac number, because 44413321 - 2¹ = 44413319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44413292 and 44413301.

It is not an unprimeable number, because it can be changed into a prime (44413331) 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, 7186 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (11108673).

Almost surely, 2^44413321 is an apocalyptic number.

It is an amenable number.

44413321 is a deficient number, since it is larger than the sum of its proper divisors (21371).

44413321 is a wasteful number, since it uses less digits than its factorization.

44413321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21370.

The product of its digits is 1152, while the sum is 22.

The square root of 44413321 is about 6664.3319995330. The cubic root of 44413321 is about 354.1368197654.

Adding to 44413321 its reverse (12331444), we get a palindrome (56744765).

The spelling of 44413321 in words is "forty-four million, four hundred thirteen thousand, three hundred twenty-one".