40310041393 has 2 divisors, whose sum is σ = 40310041394. Its totient is φ = 40310041392.

The previous prime is 40310041363. The next prime is 40310041469. The reversal of 40310041393 is 39314001304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39765145744 + 544895649 = 199412^2 + 23343^2 .

It is a cyclic number.

It is not a de Polignac number, because 40310041393 - 2¹³ = 40310033201 is a prime.

It is not a weakly prime, because it can be changed into another prime (40310041333) 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, 20155020696 + 20155020697.

It is an arithmetic number, because the mean of its divisors is an integer number (20155020697).

Almost surely, 2^40310041393 is an apocalyptic number.

It is an amenable number.

40310041393 is a deficient number, since it is larger than the sum of its proper divisors (1).

40310041393 is an equidigital number, since it uses as much as digits as its factorization.

40310041393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 40310041393 its reverse (39314001304), we get a palindrome (79624042697).

The spelling of 40310041393 in words is "forty billion, three hundred ten million, forty-one thousand, three hundred ninety-three".