440444000440 has 32 divisors (see below), whose sum is σ = 992301302160. Its totient is φ = 175946080000.

The previous prime is 440444000351. The next prime is 440444000453. The reversal of 440444000440 is 44000444044.

It is a junction number, because it is equal to n+sod(n) for n = 440444000399 and 440444000408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7204186 + ... + 7265065.

Almost surely, 2^440444000440 is an apocalyptic number.

440444000440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440444000440 is an abundant number, since it is smaller than the sum of its proper divisors (551857301720).

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

440444000440 is a wasteful number, since it uses less digits than its factorization.

440444000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14470023 (or 14470019 counting only the distinct ones).

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

Adding to 440444000440 its reverse (44000444044), we get a palindrome (484444444484).

The spelling of 440444000440 in words is "four hundred forty billion, four hundred forty-four million, four hundred forty", and thus it is an aban number.