40243324244 has 24 divisors (see below), whose sum is σ = 74823336840. Its totient is φ = 18902733696.

The previous prime is 40243324241. The next prime is 40243324271. The reversal of 40243324244 is 44242334204.

It can be written as a sum of positive squares in 4 ways, for example, as 3287875600 + 36955448644 = 57340^2 + 192238^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40243324244.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4683887 + ... + 4692470.

It is an arithmetic number, because the mean of its divisors is an integer number (3117639035).

Almost surely, 2^40243324244 is an apocalyptic number.

It is an amenable number.

40243324244 is a deficient number, since it is larger than the sum of its proper divisors (34580012596).

40243324244 is a wasteful number, since it uses less digits than its factorization.

40243324244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376427 (or 9376425 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 40243324244 its reverse (44242334204), we get a palindrome (84485658448).

The spelling of 40243324244 in words is "forty billion, two hundred forty-three million, three hundred twenty-four thousand, two hundred forty-four".