10440443011 has 4 divisors (see below), whose sum is σ = 10442686672. Its totient is φ = 10438199352.

The previous prime is 10440442979. The next prime is 10440443017. The reversal of 10440443011 is 11034404401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10440443011 - 2⁵ = 10440442979 is a prime.

It is a super-2 number, since 2×10440443011² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440443017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1114836 + ... + 1124161.

It is an arithmetic number, because the mean of its divisors is an integer number (2610671668).

Almost surely, 2^10440443011 is an apocalyptic number.

10440443011 is a deficient number, since it is larger than the sum of its proper divisors (2243661).

10440443011 is an equidigital number, since it uses as much as digits as its factorization.

10440443011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2243660.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10440443011 its reverse (11034404401), we get a palindrome (21474847412).

The spelling of 10440443011 in words is "ten billion, four hundred forty million, four hundred forty-three thousand, eleven".