10440003 has 16 divisors (see below), whose sum is σ = 15954176. Its totient is φ = 5948640.

The previous prime is 10439981. The next prime is 10440011. The reversal of 10440003 is 30004401.

It is not a de Polignac number, because 10440003 - 2⁶ = 10439939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10440043) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 12468 + ... + 13278.

It is an arithmetic number, because the mean of its divisors is an integer number (997136).

Almost surely, 2^10440003 is an apocalyptic number.

10440003 is a deficient number, since it is larger than the sum of its proper divisors (5514173).

10440003 is an equidigital number, since it uses as much as digits as its factorization.

10440003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 10440003 is about 3231.0993485190. The cubic root of 10440003 is about 218.5580838658.

Adding to 10440003 its reverse (30004401), we get a palindrome (40444404).

The spelling of 10440003 in words is "ten million, four hundred forty thousand, three".