4440320340 has 48 divisors (see below), whose sum is σ = 12833963520. Its totient is φ = 1145888640.

The previous prime is 4440320303. The next prime is 4440320341. The reversal of 4440320340 is 430230444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440320340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4440320341) 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, 1191775 + ... + 1195494.

It is an arithmetic number, because the mean of its divisors is an integer number (267374240).

Almost surely, 2^4440320340 is an apocalyptic number.

It is an amenable number.

4440320340 is an abundant number, since it is smaller than the sum of its proper divisors (8393643180).

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

4440320340 is a wasteful number, since it uses less digits than its factorization.

4440320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387312 (or 2387310 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 4440320340 is about 66635.7287046521. The cubic root of 4440320340 is about 1643.6326796998.

Adding to 4440320340 its reverse (430230444), we get a palindrome (4870550784).

The spelling of 4440320340 in words is "four billion, four hundred forty million, three hundred twenty thousand, three hundred forty".