444000440444 has 24 divisors (see below), whose sum is σ = 848336100528. Its totient is φ = 201651978240.

The previous prime is 444000440413. The next prime is 444000440467. The reversal of 444000440444 is 444044000444.

It is a super-2 number, since 2×444000440444² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444000440444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4106117 + ... + 4212860.

It is an arithmetic number, because the mean of its divisors is an integer number (35347337522).

Almost surely, 2^444000440444 is an apocalyptic number.

444000440444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

444000440444 is a deficient number, since it is larger than the sum of its proper divisors (404335660084).

444000440444 is a wasteful number, since it uses less digits than its factorization.

444000440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320205 (or 8320203 counting only the distinct ones).

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

Adding to 444000440444 its reverse (444044000444), we get a palindrome (888044440888).

Subtracting 444000440444 from its reverse (444044000444), we obtain a square (43560000 = 6600²).

The spelling of 444000440444 in words is "four hundred forty-four billion, four hundred forty thousand, four hundred forty-four".