10440205 has 8 divisors (see below), whose sum is σ = 12764952. Its totient is φ = 8194368.

The previous prime is 10440173. The next prime is 10440217. The reversal of 10440205 is 50204401.

It can be written as a sum of positive squares in 4 ways, for example, as 2883204 + 7557001 = 1698^2 + 2749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10440205 - 2⁵ = 10440173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19434 + ... + 19963.

It is an arithmetic number, because the mean of its divisors is an integer number (1595619).

Almost surely, 2^10440205 is an apocalyptic number.

It is an amenable number.

10440205 is a deficient number, since it is larger than the sum of its proper divisors (2324747).

10440205 is an equidigital number, since it uses as much as digits as its factorization.

10440205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39455.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 10440205 is about 3231.1306070786. The cubic root of 10440205 is about 218.5594934582.

Adding to 10440205 its reverse (50204401), we get a palindrome (60644606).

The spelling of 10440205 in words is "ten million, four hundred forty thousand, two hundred five".