44041813 has 2 divisors, whose sum is σ = 44041814. Its totient is φ = 44041812.

The previous prime is 44041799. The next prime is 44041843. The reversal of 44041813 is 31814044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27857284 + 16184529 = 5278^2 + 4023^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44041813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44041843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020906 + 22020907.

It is an arithmetic number, because the mean of its divisors is an integer number (22020907).

Almost surely, 2^44041813 is an apocalyptic number.

It is an amenable number.

44041813 is a deficient number, since it is larger than the sum of its proper divisors (1).

44041813 is an equidigital number, since it uses as much as digits as its factorization.

44041813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 44041813 is about 6636.4006057501. The cubic root of 44041813 is about 353.1466272603.

Adding to 44041813 its reverse (31814044), we get a palindrome (75855857).

The spelling of 44041813 in words is "forty-four million, forty-one thousand, eight hundred thirteen".