40243322041 has 4 divisors (see below), whose sum is σ = 43338962212. Its totient is φ = 37147681872.

The previous prime is 40243322003. The next prime is 40243322071. The reversal of 40243322041 is 14022334204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5788166400 + 34455155641 = 76080^2 + 185621^2 .

It is a cyclic number.

It is not a de Polignac number, because 40243322041 - 2¹⁷ = 40243190969 is a prime.

It is a super-4 number, since 4×40243322041⁴ (a number of 44 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40243321997 and 40243322015.

It is not an unprimeable number, because it can be changed into a prime (40243322071) 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 3 ways as a sum of consecutive naturals, for example, 1547820066 + ... + 1547820091.

It is an arithmetic number, because the mean of its divisors is an integer number (10834740553).

Almost surely, 2^40243322041 is an apocalyptic number.

It is an amenable number.

40243322041 is a deficient number, since it is larger than the sum of its proper divisors (3095640171).

40243322041 is a wasteful number, since it uses less digits than its factorization.

40243322041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095640170.

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

Adding to 40243322041 its reverse (14022334204), we get a palindrome (54265656245).

The spelling of 40243322041 in words is "forty billion, two hundred forty-three million, three hundred twenty-two thousand, forty-one".