440232032320340 has 48 divisors (see below), whose sum is σ = 995616227207952. Its totient is φ = 162544835751936.

The previous prime is 440232032320337. The next prime is 440232032320343. The reversal of 440232032320340 is 43023230232044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (440232032320337) and next prime (440232032320343).

It can be written as a sum of positive squares in 8 ways, for example, as 110710716311056 + 329521316009284 = 10521916^2 + 18152722^2 .

It is a junction number, because it is equal to n+sod(n) for n = 440232032320297 and 440232032320306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440232032320343) 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, 5493572 + ... + 30176868.

It is an arithmetic number, because the mean of its divisors is an integer number (20742004733499).

Almost surely, 2^{440232032320340} is an apocalyptic number.

It is an amenable number.

440232032320340 is an abundant number, since it is smaller than the sum of its proper divisors (555384194887612).

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

440232032320340 is a wasteful number, since it uses less digits than its factorization.

440232032320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24751916 (or 24751914 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 32.

Adding to 440232032320340 its reverse (43023230232044), we get a palindrome (483255262552384).

The spelling of 440232032320340 in words is "four hundred forty trillion, two hundred thirty-two billion, thirty-two million, three hundred twenty thousand, three hundred forty".