44041661 has 2 divisors, whose sum is σ = 44041662. Its totient is φ = 44041660.

The previous prime is 44041609. The next prime is 44041663. The reversal of 44041661 is 16614044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40081561 + 3960100 = 6331^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 44041661 - 2⁶ = 44041597 is a prime.

Together with 44041663, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 44041661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44041663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22020830 + 22020831.

It is an arithmetic number, because the mean of its divisors is an integer number (22020831).

Almost surely, 2^44041661 is an apocalyptic number.

It is an amenable number.

44041661 is a deficient number, since it is larger than the sum of its proper divisors (1).

44041661 is an equidigital number, since it uses as much as digits as its factorization.

44041661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 44041661 is about 6636.3891537492. The cubic root of 44041661 is about 353.1462209922.

The spelling of 44041661 in words is "forty-four million, forty-one thousand, six hundred sixty-one".