440066601102109 has 2 divisors, whose sum is σ = 440066601102110. Its totient is φ = 440066601102108.

The previous prime is 440066601101999. The next prime is 440066601102143. The reversal of 440066601102109 is 901201106660044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 436723269305625 + 3343331796484 = 20897925^2 + 1828478^2 .

It is a cyclic number.

It is not a de Polignac number, because 440066601102109 - 2⁹ = 440066601101597 is a prime.

It is a super-2 number, since 2×440066601102109² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (440066901102109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220033300551054 + 220033300551055.

It is an arithmetic number, because the mean of its divisors is an integer number (220033300551055).

Almost surely, 2^{440066601102109} is an apocalyptic number.

It is an amenable number.

440066601102109 is a deficient number, since it is larger than the sum of its proper divisors (1).

440066601102109 is an equidigital number, since it uses as much as digits as its factorization.

440066601102109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The spelling of 440066601102109 in words is "four hundred forty trillion, sixty-six billion, six hundred one million, one hundred two thousand, one hundred nine".