440243304132 has 12 divisors (see below), whose sum is σ = 1027234376336. Its totient is φ = 146747768040.

The previous prime is 440243304041. The next prime is 440243304143. The reversal of 440243304132 is 231403342044.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 440243304132.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 18343470994 + ... + 18343471017.

Almost surely, 2^440243304132 is an apocalyptic number.

It is an amenable number.

440243304132 is an abundant number, since it is smaller than the sum of its proper divisors (586991072204).

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

440243304132 is a wasteful number, since it uses less digits than its factorization.

440243304132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36686942018 (or 36686942016 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 440243304132 its reverse (231403342044), we get a palindrome (671646646176).

The spelling of 440243304132 in words is "four hundred forty billion, two hundred forty-three million, three hundred four thousand, one hundred thirty-two".