10040443 has 24 divisors (see below), whose sum is σ = 12476160. Its totient is φ = 8038800.

The previous prime is 10040413. The next prime is 10040447. The reversal of 10040443 is 34404001.

It is not a de Polignac number, because 10040443 - 2²¹ = 7943291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10040447) 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 23 ways as a sum of consecutive naturals, for example, 66418 + ... + 66568.

It is an arithmetic number, because the mean of its divisors is an integer number (519840).

Almost surely, 2^10040443 is an apocalyptic number.

10040443 is a deficient number, since it is larger than the sum of its proper divisors (2435717).

10040443 is a wasteful number, since it uses less digits than its factorization.

10040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247 (or 240 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 10040443 is about 3168.6658075600. The cubic root of 10040443 is about 215.7335176798.

Adding to 10040443 its reverse (34404001), we get a palindrome (44444444).

The spelling of 10040443 in words is "ten million, forty thousand, four hundred forty-three".