1330043441 has 4 divisors (see below), whose sum is σ = 1340516352. Its totient is φ = 1319570532.

The previous prime is 1330043413. The next prime is 1330043483. The reversal of 1330043441 is 1443400331.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1330043441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330043401) 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, 5236265 + ... + 5236518.

It is an arithmetic number, because the mean of its divisors is an integer number (335129088).

Almost surely, 2^1330043441 is an apocalyptic number.

It is an amenable number.

1330043441 is a deficient number, since it is larger than the sum of its proper divisors (10472911).

1330043441 is a wasteful number, since it uses less digits than its factorization.

1330043441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10472910.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 1330043441 is about 36469.7606380958. The cubic root of 1330043441 is about 1099.7364219714.

Adding to 1330043441 its reverse (1443400331), we get a palindrome (2773443772).

The spelling of 1330043441 in words is "one billion, three hundred thirty million, forty-three thousand, four hundred forty-one".