440000205 has 32 divisors (see below), whose sum is σ = 769471488. Its totient is φ = 213734400.

The previous prime is 440000201. The next prime is 440000219. The reversal of 440000205 is 502000044.

It is not a de Polignac number, because 440000205 - 2² = 440000201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440000201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19926 + ... + 35735.

It is an arithmetic number, because the mean of its divisors is an integer number (24045984).

Almost surely, 2^440000205 is an apocalyptic number.

It is an amenable number.

440000205 is a deficient number, since it is larger than the sum of its proper divisors (329471283).

440000205 is a wasteful number, since it uses less digits than its factorization.

440000205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55717.

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 440000205 is about 20976.1818498982. The cubic root of 440000205 is about 760.5906102743.

Adding to 440000205 its reverse (502000044), we get a palindrome (942000249).

The spelling of 440000205 in words is "four hundred forty million, two hundred five", and thus it is an aban number.