440041244412 has 192 divisors, whose sum is σ = 1343082037248. Its totient is φ = 108795744000.

The previous prime is 440041244407. The next prime is 440041244413. The reversal of 440041244412 is 214442140044.

It is a self number, because there is not a number n which added to its sum of digits gives 440041244412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440041244413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1621363 + ... + 1873205.

It is an arithmetic number, because the mean of its divisors is an integer number (6995218944).

Almost surely, 2^440041244412 is an apocalyptic number.

440041244412 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440041244412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (671541018624).

440041244412 is an abundant number, since it is smaller than the sum of its proper divisors (903040792836).

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

440041244412 is a wasteful number, since it uses less digits than its factorization.

440041244412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251960 (or 251958 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 30.

Adding to 440041244412 its reverse (214442140044), we get a palindrome (654483384456).

The spelling of 440041244412 in words is "four hundred forty billion, forty-one million, two hundred forty-four thousand, four hundred twelve".