440244403340 has 48 divisors (see below), whose sum is σ = 1078149576000. Its totient is φ = 150940935936.

The previous prime is 440244403283. The next prime is 440244403343. The reversal of 440244403340 is 43304442044.

It is a junction number, because it is equal to n+sod(n) for n = 440244403297 and 440244403306.

It is not an unprimeable number, because it can be changed into a prime (440244403343) 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 15 ways as a sum of consecutive naturals, for example, 32080925 + ... + 32094644.

It is an arithmetic number, because the mean of its divisors is an integer number (22461449500).

Almost surely, 2^440244403340 is an apocalyptic number.

It is an amenable number.

440244403340 is an abundant number, since it is smaller than the sum of its proper divisors (637905172660).

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

440244403340 is a wasteful number, since it uses less digits than its factorization.

440244403340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64175599 (or 64175583 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 440244403340 its reverse (43304442044), we get a palindrome (483548845384).

The spelling of 440244403340 in words is "four hundred forty billion, two hundred forty-four million, four hundred three thousand, three hundred forty".