44040490217 has 2 divisors, whose sum is σ = 44040490218. Its totient is φ = 44040490216.

The previous prime is 44040490213. The next prime is 44040490243. The reversal of 44040490217 is 71209404044.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43924195561 + 116294656 = 209581^2 + 10784^2 .

It is a cyclic number.

It is not a de Polignac number, because 44040490217 - 2² = 44040490213 is a prime.

It is not a weakly prime, because it can be changed into another prime (44040490213) 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, 22020245108 + 22020245109.

It is an arithmetic number, because the mean of its divisors is an integer number (22020245109).

Almost surely, 2^44040490217 is an apocalyptic number.

It is an amenable number.

44040490217 is a deficient number, since it is larger than the sum of its proper divisors (1).

44040490217 is an equidigital number, since it uses as much as digits as its factorization.

44040490217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 44040490217 in words is "forty-four billion, forty million, four hundred ninety thousand, two hundred seventeen".