44040133 has 2 divisors, whose sum is σ = 44040134. Its totient is φ = 44040132.

The previous prime is 44040121. The next prime is 44040163. The reversal of 44040133 is 33104044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43322724 + 717409 = 6582^2 + 847^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44040133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44040133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44040103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020066 + 22020067.

It is an arithmetic number, because the mean of its divisors is an integer number (22020067).

Almost surely, 2^44040133 is an apocalyptic number.

It is an amenable number.

44040133 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040133 is an equidigital number, since it uses as much as digits as its factorization.

44040133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 44040133 is about 6636.2740299056. The cubic root of 44040133 is about 353.1421368769.

Adding to 44040133 its reverse (33104044), we get a palindrome (77144177).

The spelling of 44040133 in words is "forty-four million, forty thousand, one hundred thirty-three".