40343324401 has 2 divisors, whose sum is σ = 40343324402. Its totient is φ = 40343324400.

The previous prime is 40343324387. The next prime is 40343324407. The reversal of 40343324401 is 10442334304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23025027600 + 17318296801 = 151740^2 + 131599^2 .

It is a cyclic number.

It is not a de Polignac number, because 40343324401 - 2²¹ = 40341227249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40343324401.

It is not a weakly prime, because it can be changed into another prime (40343324407) 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, 20171662200 + 20171662201.

It is an arithmetic number, because the mean of its divisors is an integer number (20171662201).

Almost surely, 2^40343324401 is an apocalyptic number.

It is an amenable number.

40343324401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343324401 is an equidigital number, since it uses as much as digits as its factorization.

40343324401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 40343324401 its reverse (10442334304), we get a palindrome (50785658705).

The spelling of 40343324401 in words is "forty billion, three hundred forty-three million, three hundred twenty-four thousand, four hundred one".