40234424013 has 12 divisors (see below), whose sum is σ = 66418731808. Its totient is φ = 22991099400.

The previous prime is 40234424011. The next prime is 40234424023. The reversal of 40234424013 is 31042443204.

It is a happy number.

40234424013 is a `hidden beast` number, since 4 + 0 + 234 + 424 + 0 + 1 + 3 = 666.

40234424013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40234424013 - 2¹ = 40234424011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234424011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319320763 + ... + 319320888.

Almost surely, 2^40234424013 is an apocalyptic number.

It is an amenable number.

40234424013 is a deficient number, since it is larger than the sum of its proper divisors (26184307795).

40234424013 is a wasteful number, since it uses less digits than its factorization.

40234424013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638641664 (or 638641661 counting only the distinct ones).

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

Adding to 40234424013 its reverse (31042443204), we get a palindrome (71276867217).

The spelling of 40234424013 in words is "forty billion, two hundred thirty-four million, four hundred twenty-four thousand, thirteen".