40322344243 has 2 divisors, whose sum is σ = 40322344244. Its totient is φ = 40322344242.

The previous prime is 40322344189. The next prime is 40322344267. The reversal of 40322344243 is 34244322304.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40322344243 is a prime.

It is not a weakly prime, because it can be changed into another prime (40322354243) 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 as a sum of consecutive naturals, namely, 20161172121 + 20161172122.

It is an arithmetic number, because the mean of its divisors is an integer number (20161172122).

Almost surely, 2^40322344243 is an apocalyptic number.

40322344243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40322344243 is an equidigital number, since it uses as much as digits as its factorization.

40322344243 is an odious number, because the sum of its binary digits is odd.

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

Adding to 40322344243 its reverse (34244322304), we get a palindrome (74566666547).

The spelling of 40322344243 in words is "forty billion, three hundred twenty-two million, three hundred forty-four thousand, two hundred forty-three".