444040004 has 48 divisors (see below), whose sum is σ = 815033856. Its totient is φ = 211507200.

The previous prime is 444039971. The next prime is 444040007. The reversal of 444040004 is 400040444.

It is not an unprimeable number, because it can be changed into a prime (444040007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1638389 + ... + 1638659.

It is an arithmetic number, because the mean of its divisors is an integer number (16979872).

Almost surely, 2^444040004 is an apocalyptic number.

It is an amenable number.

444040004 is a deficient number, since it is larger than the sum of its proper divisors (370993852).

444040004 is a wasteful number, since it uses less digits than its factorization.

444040004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 444040004 is about 21072.2567372363. The cubic root of 444040004 is about 762.9112737486.

Adding to 444040004 its reverse (400040444), we get a palindrome (844080448).

It can be divided in two parts, 4440 and 40004, that added together give a palindrome (44444).

The spelling of 444040004 in words is "four hundred forty-four million, forty thousand, four".