440120411 has 2 divisors, whose sum is σ = 440120412. Its totient is φ = 440120410.

The previous prime is 440120407. The next prime is 440120413. The reversal of 440120411 is 114021044.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 440120411 - 2² = 440120407 is a prime.

Together with 440120413, 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 440120411.

It is not a weakly prime, because it can be changed into another prime (440120413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220060205 + 220060206.

It is an arithmetic number, because the mean of its divisors is an integer number (220060206).

Almost surely, 2^440120411 is an apocalyptic number.

440120411 is a deficient number, since it is larger than the sum of its proper divisors (1).

440120411 is an equidigital number, since it uses as much as digits as its factorization.

440120411 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 440120411 is about 20979.0469516611. The cubic root of 440120411 is about 760.6598672347.

Adding to 440120411 its reverse (114021044), we get a palindrome (554141455).

The spelling of 440120411 in words is "four hundred forty million, one hundred twenty thousand, four hundred eleven".