4340431240 has 32 divisors (see below), whose sum is σ = 9767880000. Its totient is φ = 1735833024.

The previous prime is 4340431217. The next prime is 4340431243. The reversal of 4340431240 is 421340434.

It is not an unprimeable number, because it can be changed into a prime (4340431243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337651 + ... + 350269.

It is an arithmetic number, because the mean of its divisors is an integer number (305246250).

Almost surely, 2^4340431240 is an apocalyptic number.

4340431240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4340431240 is an abundant number, since it is smaller than the sum of its proper divisors (5427448760).

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

4340431240 is a wasteful number, since it uses less digits than its factorization.

4340431240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21229 (or 21225 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 4340431240 is about 65881.9492729230. The cubic root of 4340431240 is about 1631.2140753577.

Adding to 4340431240 its reverse (421340434), we get a palindrome (4761771674).

The spelling of 4340431240 in words is "four billion, three hundred forty million, four hundred thirty-one thousand, two hundred forty".