4313243440 has 60 divisors (see below), whose sum is σ = 11022856992. Its totient is φ = 1568448640.

The previous prime is 4313243423. The next prime is 4313243443. The reversal of 4313243440 is 443423134.

It is a junction number, because it is equal to n+sod(n) for n = 4313243399 and 4313243408.

It is not an unprimeable number, because it can be changed into a prime (4313243443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213112 + ... + 232471.

Almost surely, 2^4313243440 is an apocalyptic number.

4313243440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4313243440 is an abundant number, since it is smaller than the sum of its proper divisors (6709613552).

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

4313243440 is a wasteful number, since it uses less digits than its factorization.

4313243440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445618 (or 445601 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 4313243440 is about 65675.2878943062. The cubic root of 4313243440 is about 1627.8010470292.

Adding to 4313243440 its reverse (443423134), we get a palindrome (4756666574).

The spelling of 4313243440 in words is "four billion, three hundred thirteen million, two hundred forty-three thousand, four hundred forty".