40243324243 has 8 divisors (see below), whose sum is σ = 42514328720. Its totient is φ = 37987613280.

The previous prime is 40243324241. The next prime is 40243324271. The reversal of 40243324243 is 34242334204.

It is a happy number.

40243324243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40243324243 - 2¹ = 40243324241 is a prime.

It is a super-2 number, since 2×40243324243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40243324241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3817968 + ... + 3828493.

It is an arithmetic number, because the mean of its divisors is an integer number (5314291090).

Almost surely, 2^40243324243 is an apocalyptic number.

40243324243 is a deficient number, since it is larger than the sum of its proper divisors (2271004477).

40243324243 is a wasteful number, since it uses less digits than its factorization.

40243324243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7646757.

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

Adding to 40243324243 its reverse (34242334204), we get a palindrome (74485658447).

The spelling of 40243324243 in words is "forty billion, two hundred forty-three million, three hundred twenty-four thousand, two hundred forty-three".