44004413 has 2 divisors, whose sum is σ = 44004414. Its totient is φ = 44004412.

The previous prime is 44004409. The next prime is 44004419. The reversal of 44004413 is 31440044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34597924 + 9406489 = 5882^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 44004413 - 2² = 44004409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44004419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22002206 + 22002207.

It is an arithmetic number, because the mean of its divisors is an integer number (22002207).

Almost surely, 2^44004413 is an apocalyptic number.

It is an amenable number.

44004413 is a deficient number, since it is larger than the sum of its proper divisors (1).

44004413 is an equidigital number, since it uses as much as digits as its factorization.

44004413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 44004413 is about 6633.5822147615. The cubic root of 44004413 is about 353.0466357344.

Adding to 44004413 its reverse (31440044), we get a palindrome (75444457).

The spelling of 44004413 in words is "forty-four million, four thousand, four hundred thirteen".