1000240443 has 24 divisors (see below), whose sum is σ = 1460160000. Its totient is φ = 659764224.

The previous prime is 1000240391. The next prime is 1000240447. The reversal of 1000240443 is 3440420001.

It is not a de Polignac number, because 1000240443 - 2¹⁴ = 1000224059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000240447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 512233 + ... + 514181.

It is an arithmetic number, because the mean of its divisors is an integer number (60840000).

Almost surely, 2^1000240443 is an apocalyptic number.

1000240443 is a deficient number, since it is larger than the sum of its proper divisors (459919557).

1000240443 is a wasteful number, since it uses less digits than its factorization.

1000240443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2531 (or 2528 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 1000240443 is about 31626.5781108232. The cubic root of 1000240443 is about 1000.0801412439.

Adding to 1000240443 its reverse (3440420001), we get a palindrome (4440660444).

The spelling of 1000240443 in words is "one billion, two hundred forty thousand, four hundred forty-three".