444440043 has 12 divisors (see below), whose sum is σ = 642157360. Its totient is φ = 296206416.

The previous prime is 444440021. The next prime is 444440047. The reversal of 444440043 is 340044444.

It is not a de Polignac number, because 444440043 - 2⁹ = 444439531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 444439989 and 444440016.

It is not an unprimeable number, because it can be changed into a prime (444440047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44805 + ... + 53817.

Almost surely, 2^444440043 is an apocalyptic number.

444440043 is a deficient number, since it is larger than the sum of its proper divisors (197717317).

444440043 is a wasteful number, since it uses less digits than its factorization.

444440043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14498 (or 14495 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 444440043 is about 21081.7466781100. The cubic root of 444440043 is about 763.1403091625.

Adding to 444440043 its reverse (340044444), we get a palindrome (784484487).

The spelling of 444440043 in words is "four hundred forty-four million, four hundred forty thousand, forty-three".