40031232424 has 16 divisors (see below), whose sum is σ = 75066114420. Its totient is φ = 20013601920.

The previous prime is 40031232413. The next prime is 40031232433. The reversal of 40031232424 is 42423213004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 32899429924 + 7131802500 = 181382^2 + 84450^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165589 + ... + 327844.

Almost surely, 2^40031232424 is an apocalyptic number.

It is an amenable number.

40031232424 is a deficient number, since it is larger than the sum of its proper divisors (35034881996).

40031232424 is a wasteful number, since it uses less digits than its factorization.

40031232424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503580 (or 503576 counting only the distinct ones).

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

Adding to 40031232424 its reverse (42423213004), we get a palindrome (82454445428).

The spelling of 40031232424 in words is "forty billion, thirty-one million, two hundred thirty-two thousand, four hundred twenty-four".