440044044400 has 60 divisors (see below), whose sum is σ = 1059377139472. Its totient is φ = 175656107520.

The previous prime is 440044044289. The next prime is 440044044403. The reversal of 440044044400 is 4440440044.

It is a super-2 number, since 2×440044044400² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440044044403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 934677 + ... + 1324276.

Almost surely, 2^440044044400 is an apocalyptic number.

440044044400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440044044400 is an abundant number, since it is smaller than the sum of its proper divisors (619333095072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

440044044400 is a wasteful number, since it uses less digits than its factorization.

440044044400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2259458 (or 2259447 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 440044044400 its reverse (4440440044), we get a palindrome (444484484444).

The spelling of 440044044400 in words is "four hundred forty billion, forty-four million, forty-four thousand, four hundred".