40242432343 has 16 divisors (see below), whose sum is σ = 40853340000. Its totient is φ = 39636656640.

The previous prime is 40242432341. The next prime is 40242432353. The reversal of 40242432343 is 34323424204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40242432343 - 2¹ = 40242432341 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 (40242432341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15282555 + ... + 15285187.

It is an arithmetic number, because the mean of its divisors is an integer number (2553333750).

Almost surely, 2^40242432343 is an apocalyptic number.

40242432343 is a deficient number, since it is larger than the sum of its proper divisors (610907657).

40242432343 is a wasteful number, since it uses less digits than its factorization.

40242432343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3522.

The product of its (nonzero) digits is 55296, while the sum is 31.

Adding to 40242432343 its reverse (34323424204), we get a palindrome (74565856547).

The spelling of 40242432343 in words is "forty billion, two hundred forty-two million, four hundred thirty-two thousand, three hundred forty-three".