440320334132 has 72 divisors (see below), whose sum is σ = 950332773600. Its totient is φ = 177490305216.

The previous prime is 440320334107. The next prime is 440320334147. The reversal of 440320334132 is 231433023044.

It is a super-2 number, since 2×440320334132² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 440320334095 and 440320334104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92318 + ... + 942954.

It is an arithmetic number, because the mean of its divisors is an integer number (13199066300).

Almost surely, 2^440320334132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440320334132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475166386800).

440320334132 is an abundant number, since it is smaller than the sum of its proper divisors (510012439468).

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

440320334132 is a wasteful number, since it uses less digits than its factorization.

440320334132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850813 (or 850804 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 440320334132 its reverse (231433023044), we get a palindrome (671753357176).

The spelling of 440320334132 in words is "four hundred forty billion, three hundred twenty million, three hundred thirty-four thousand, one hundred thirty-two".