440100321312 has 24 divisors (see below), whose sum is σ = 1155263343696. Its totient is φ = 146700107072.

The previous prime is 440100321293. The next prime is 440100321319. The reversal of 440100321312 is 213123001044.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (440100321319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2292189078 + ... + 2292189269.

It is an arithmetic number, because the mean of its divisors is an integer number (48135972654).

Almost surely, 2^440100321312 is an apocalyptic number.

It is an amenable number.

440100321312 is an abundant number, since it is smaller than the sum of its proper divisors (715163022384).

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

440100321312 is a wasteful number, since it uses less digits than its factorization.

440100321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584378360 (or 4584378352 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 440100321312 its reverse (213123001044), we get a palindrome (653223322356).

The spelling of 440100321312 in words is "four hundred forty billion, one hundred million, three hundred twenty-one thousand, three hundred twelve".