44404013 has 2 divisors, whose sum is σ = 44404014. Its totient is φ = 44404012.

The previous prime is 44403991. The next prime is 44404027. The reversal of 44404013 is 31040444.

44404013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27741289 + 16662724 = 5267^2 + 4082^2 .

It is a cyclic number.

It is not a de Polignac number, because 44404013 - 2¹⁰ = 44402989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44404043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22202006 + 22202007.

It is an arithmetic number, because the mean of its divisors is an integer number (22202007).

Almost surely, 2^44404013 is an apocalyptic number.

It is an amenable number.

44404013 is a deficient number, since it is larger than the sum of its proper divisors (1).

44404013 is an equidigital number, since it uses as much as digits as its factorization.

44404013 is an odious number, because the sum of its binary digits is odd.

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

The square root of 44404013 is about 6663.6336183797. The cubic root of 44404013 is about 354.1120784210.

Adding to 44404013 its reverse (31040444), we get a palindrome (75444457).

The spelling of 44404013 in words is "forty-four million, four hundred four thousand, thirteen".