40035346243 has 2 divisors, whose sum is σ = 40035346244. Its totient is φ = 40035346242.

The previous prime is 40035346237. The next prime is 40035346271. The reversal of 40035346243 is 34264353004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40035346243 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40035346199 and 40035346208.

It is not a weakly prime, because it can be changed into another prime (40035346283) 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, 20017673121 + 20017673122.

It is an arithmetic number, because the mean of its divisors is an integer number (20017673122).

Almost surely, 2^40035346243 is an apocalyptic number.

40035346243 is a deficient number, since it is larger than the sum of its proper divisors (1).

40035346243 is an equidigital number, since it uses as much as digits as its factorization.

40035346243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 34.

Adding to 40035346243 its reverse (34264353004), we get a palindrome (74299699247).

The spelling of 40035346243 in words is "forty billion, thirty-five million, three hundred forty-six thousand, two hundred forty-three".