440205005 has 16 divisors (see below), whose sum is σ = 534578304. Its totient is φ = 347958720.

The previous prime is 440205001. The next prime is 440205011. The reversal of 440205005 is 500502044.

It is a happy number.

It is not a de Polignac number, because 440205005 - 2² = 440205001 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440205001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355247 + ... + 356483.

It is an arithmetic number, because the mean of its divisors is an integer number (33411144).

Almost surely, 2^440205005 is an apocalyptic number.

It is an amenable number.

440205005 is a deficient number, since it is larger than the sum of its proper divisors (94373299).

440205005 is a wasteful number, since it uses less digits than its factorization.

440205005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2036.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 440205005 is about 20981.0630092948. The cubic root of 440205005 is about 760.7085987007.

Adding to 440205005 its reverse (500502044), we get a palindrome (940707049).

The spelling of 440205005 in words is "four hundred forty million, two hundred five thousand, five".