440320231032 has 64 divisors (see below), whose sum is σ = 1206258600960. Its totient is φ = 132832012800.

The previous prime is 440320231031. The next prime is 440320231067. The reversal of 440320231032 is 230132023044.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 440320230993 and 440320231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440320231031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3680769 + ... + 3798512.

It is an arithmetic number, because the mean of its divisors is an integer number (18847790640).

Almost surely, 2^440320231032 is an apocalyptic number.

It is an amenable number.

440320231032 is an abundant number, since it is smaller than the sum of its proper divisors (765938369928).

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

440320231032 is a wasteful number, since it uses less digits than its factorization.

440320231032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479524 (or 7479520 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 440320231032 its reverse (230132023044), we get a palindrome (670452254076).

The spelling of 440320231032 in words is "four hundred forty billion, three hundred twenty million, two hundred thirty-one thousand, thirty-two".