4340320440 has 64 divisors (see below), whose sum is σ = 13052188800. Its totient is φ = 1154643072.

The previous prime is 4340320403. The next prime is 4340320459. The reversal of 4340320440 is 440230434.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4340320440.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7119 + ... + 93441.

It is an arithmetic number, because the mean of its divisors is an integer number (203940450).

Almost surely, 2^4340320440 is an apocalyptic number.

4340320440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4340320440 is an abundant number, since it is smaller than the sum of its proper divisors (8711868360).

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

4340320440 is a wasteful number, since it uses less digits than its factorization.

4340320440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86756 (or 86752 counting only the distinct ones).

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

The square root of 4340320440 is about 65881.1083695470. The cubic root of 4340320440 is about 1631.2001950120.

Adding to 4340320440 its reverse (440230434), we get a palindrome (4780550874).

The spelling of 4340320440 in words is "four billion, three hundred forty million, three hundred twenty thousand, four hundred forty".