40310338073 has 2 divisors, whose sum is σ = 40310338074. Its totient is φ = 40310338072.

The previous prime is 40310338051. The next prime is 40310338091. The reversal of 40310338073 is 37083301304.

40310338073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22244827609 + 18065510464 = 149147^2 + 134408^2 .

It is a cyclic number.

It is not a de Polignac number, because 40310338073 - 2¹² = 40310333977 is a prime.

It is not a weakly prime, because it can be changed into another prime (40310338043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20155169036 + 20155169037.

It is an arithmetic number, because the mean of its divisors is an integer number (20155169037).

Almost surely, 2^40310338073 is an apocalyptic number.

It is an amenable number.

40310338073 is a deficient number, since it is larger than the sum of its proper divisors (1).

40310338073 is an equidigital number, since it uses as much as digits as its factorization.

40310338073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 32.

Adding to 40310338073 its reverse (37083301304), we get a palindrome (77393639377).

The spelling of 40310338073 in words is "forty billion, three hundred ten million, three hundred thirty-eight thousand, seventy-three".