4431140340 has 96 divisors (see below), whose sum is σ = 13666738176. Its totient is φ = 1063770240.

The previous prime is 4431140299. The next prime is 4431140407. The reversal of 4431140340 is 430411344.

It is a self number, because there is not a number n which added to its sum of digits gives 4431140340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35389 + ... + 100571.

It is an arithmetic number, because the mean of its divisors is an integer number (142361856).

Almost surely, 2^4431140340 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 4431140340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6833369088).

4431140340 is an abundant number, since it is smaller than the sum of its proper divisors (9235597836).

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

4431140340 is a wasteful number, since it uses less digits than its factorization.

4431140340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65309 (or 65307 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 4431140340 is about 66566.8110998266. The cubic root of 4431140340 is about 1642.4992060675.

Adding to 4431140340 its reverse (430411344), we get a palindrome (4861551684).

The spelling of 4431140340 in words is "four billion, four hundred thirty-one million, one hundred forty thousand, three hundred forty".