40032420243313 has 2 divisors, whose sum is σ = 40032420243314. Its totient is φ = 40032420243312.

The previous prime is 40032420243281. The next prime is 40032420243331. The reversal of 40032420243313 is 31334202423004.

It is a happy number.

Together with next prime (40032420243331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28451854704784 + 11580565538529 = 5334028^2 + 3403023^2 .

It is a cyclic number.

It is not a de Polignac number, because 40032420243313 - 2⁵ = 40032420243281 is a prime.

It is not a weakly prime, because it can be changed into another prime (40032420243913) 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 as a sum of consecutive naturals, namely, 20016210121656 + 20016210121657.

It is an arithmetic number, because the mean of its divisors is an integer number (20016210121657).

Almost surely, 2^{40032420243313} is an apocalyptic number.

It is an amenable number.

40032420243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

40032420243313 is an equidigital number, since it uses as much as digits as its factorization.

40032420243313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 40032420243313 its reverse (31334202423004), we get a palindrome (71366622666317).

The spelling of 40032420243313 in words is "forty trillion, thirty-two billion, four hundred twenty million, two hundred forty-three thousand, three hundred thirteen".