4320540444 has 24 divisors (see below), whose sum is σ = 10997739648. Its totient is φ = 1309254640.

The previous prime is 4320540421. The next prime is 4320540449. The reversal of 4320540444 is 4440450234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4320540449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16365552 + ... + 16365815.

It is an arithmetic number, because the mean of its divisors is an integer number (458239152).

Almost surely, 2^4320540444 is an apocalyptic number.

4320540444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4320540444 is an abundant number, since it is smaller than the sum of its proper divisors (6677199204).

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

4320540444 is a wasteful number, since it uses less digits than its factorization.

4320540444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32731385 (or 32731383 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 4320540444 is about 65730.8180688480. The cubic root of 4320540444 is about 1628.7184833617.

Adding to 4320540444 its reverse (4440450234), we get a palindrome (8760990678).

The spelling of 4320540444 in words is "four billion, three hundred twenty million, five hundred forty thousand, four hundred forty-four".