43240440404 has 24 divisors (see below), whose sum is σ = 90240920448. Its totient is φ = 17725894560.

The previous prime is 43240440371. The next prime is 43240440433. The reversal of 43240440404 is 40404404234.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 33571127 + ... + 33572414.

It is an arithmetic number, because the mean of its divisors is an integer number (3760038352).

Almost surely, 2^43240440404 is an apocalyptic number.

It is an amenable number.

43240440404 is an abundant number, since it is smaller than the sum of its proper divisors (47000480044).

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

43240440404 is a wasteful number, since it uses less digits than its factorization.

43240440404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67143575 (or 67143573 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

Adding to 43240440404 its reverse (40404404234), we get a palindrome (83644844638).

The spelling of 43240440404 in words is "forty-three billion, two hundred forty million, four hundred forty thousand, four hundred four".