1000442443 has 32 divisors (see below), whose sum is σ = 1361751552. Its totient is φ = 709689600.

The previous prime is 1000442437. The next prime is 1000442479. The reversal of 1000442443 is 3442440001.

1000442443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1000442443 - 2⁹ = 1000441931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1000445443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66228 + ... + 79918.

It is an arithmetic number, because the mean of its divisors is an integer number (42554736).

Almost surely, 2^1000442443 is an apocalyptic number.

1000442443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1000442443 is a deficient number, since it is larger than the sum of its proper divisors (361309109).

1000442443 is a wasteful number, since it uses less digits than its factorization.

1000442443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13795.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1000442443 is about 31629.7714661361. The cubic root of 1000442443 is about 1000.1474592547.

Adding to 1000442443 its reverse (3442440001), we get a palindrome (4442882444).

The spelling of 1000442443 in words is "one billion, four hundred forty-two thousand, four hundred forty-three".