43240404132 has 18 divisors (see below), whose sum is σ = 109302132758. Its totient is φ = 14413468032.

The previous prime is 43240404107. The next prime is 43240404187. The reversal of 43240404132 is 23140404234.

It is a happy number.

43240404132 is a `hidden beast` number, since 4 + 3 + 240 + 4 + 0 + 413 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42958365696 + 282038436 = 207264^2 + 16794^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 43240404096 and 43240404105.

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 5 ways as a sum of consecutive naturals, for example, 600561133 + ... + 600561204.

Almost surely, 2^43240404132 is an apocalyptic number.

It is an amenable number.

43240404132 is an abundant number, since it is smaller than the sum of its proper divisors (66061728626).

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

43240404132 is a wasteful number, since it uses less digits than its factorization.

43240404132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201122347 (or 1201122342 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 43240404132 its reverse (23140404234), we get a palindrome (66380808366).

The spelling of 43240404132 in words is "forty-three billion, two hundred forty million, four hundred four thousand, one hundred thirty-two".