440066601101999 has 2 divisors, whose sum is σ = 440066601102000. Its totient is φ = 440066601101998.

The previous prime is 440066601101993. The next prime is 440066601102109. The reversal of 440066601101999 is 999101106660044.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440066601101999 - 2⁴⁰ = 438967089474223 is a prime.

It is a super-2 number, since 2×440066601101999² (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 (440066601101993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220033300550999 + 220033300551000.

It is an arithmetic number, because the mean of its divisors is an integer number (220033300551000).

Almost surely, 2^{440066601101999} is an apocalyptic number.

440066601101999 is a deficient number, since it is larger than the sum of its proper divisors (1).

440066601101999 is an equidigital number, since it uses as much as digits as its factorization.

440066601101999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2519424, while the sum is 56.

The spelling of 440066601101999 in words is "four hundred forty trillion, sixty-six billion, six hundred one million, one hundred one thousand, nine hundred ninety-nine".