440424211 has 2 divisors, whose sum is σ = 440424212. Its totient is φ = 440424210.

The previous prime is 440424197. The next prime is 440424233. The reversal of 440424211 is 112424044.

It is an a-pointer prime, because the next prime (440424233) can be obtained adding 440424211 to its sum of digits (22).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 440424211 - 2¹¹ = 440422163 is a prime.

It is not a weakly prime, because it can be changed into another prime (440454211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220212105 + 220212106.

It is an arithmetic number, because the mean of its divisors is an integer number (220212106).

Almost surely, 2^440424211 is an apocalyptic number.

440424211 is a deficient number, since it is larger than the sum of its proper divisors (1).

440424211 is an equidigital number, since it uses as much as digits as its factorization.

440424211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 440424211 is about 20986.2862603177. The cubic root of 440424211 is about 760.8348461052.

Adding to 440424211 its reverse (112424044), we get a palindrome (552848255).

The spelling of 440424211 in words is "four hundred forty million, four hundred twenty-four thousand, two hundred eleven".