4444400444 has 24 divisors (see below), whose sum is σ = 8562615600. Its totient is φ = 2001646080.

The previous prime is 4444400437. The next prime is 4444400449. The reversal of 4444400444 is 4440044444.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4444400444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4444400449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458549 + ... + 468140.

It is an arithmetic number, because the mean of its divisors is an integer number (356775650).

Almost surely, 2^4444400444 is an apocalyptic number.

4444400444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4444400444 is a deficient number, since it is larger than the sum of its proper divisors (4118215156).

4444400444 is a wasteful number, since it uses less digits than its factorization.

4444400444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926813 (or 926811 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

The square root of 4444400444 is about 66666.3366625166. The cubic root of 4444400444 is about 1644.1359571477.

Adding to 4444400444 its reverse (4440044444), we get a palindrome (8884444888).

The spelling of 4444400444 in words is "four billion, four hundred forty-four million, four hundred thousand, four hundred forty-four".