10440043441 has 4 divisors (see below), whose sum is σ = 10440249712. Its totient is φ = 10439837172.

The previous prime is 10440043423. The next prime is 10440043457. The reversal of 10440043441 is 14434004401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14434004401 = 3593 ⋅4017257.

It is a cyclic number.

It is not a de Polignac number, because 10440043441 - 2⁹ = 10440042929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440043541) 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, 30526 + ... + 147688.

It is an arithmetic number, because the mean of its divisors is an integer number (2610062428).

Almost surely, 2^10440043441 is an apocalyptic number.

It is an amenable number.

10440043441 is a deficient number, since it is larger than the sum of its proper divisors (206271).

10440043441 is an equidigital number, since it uses as much as digits as its factorization.

10440043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206270.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 10440043441 its reverse (14434004401), we get a palindrome (24874047842).

The spelling of 10440043441 in words is "ten billion, four hundred forty million, forty-three thousand, four hundred forty-one".