40020435163 has 2 divisors, whose sum is σ = 40020435164. Its totient is φ = 40020435162.

The previous prime is 40020435139. The next prime is 40020435181. The reversal of 40020435163 is 36153402004.

40020435163 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 is a cyclic number.

It is not a de Polignac number, because 40020435163 - 2⁹ = 40020434651 is a prime.

It is not a weakly prime, because it can be changed into another prime (40020433163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20010217581 + 20010217582.

It is an arithmetic number, because the mean of its divisors is an integer number (20010217582).

Almost surely, 2^40020435163 is an apocalyptic number.

40020435163 is a deficient number, since it is larger than the sum of its proper divisors (1).

40020435163 is an equidigital number, since it uses as much as digits as its factorization.

40020435163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 40020435163 its reverse (36153402004), we get a palindrome (76173837167).

The spelling of 40020435163 in words is "forty billion, twenty million, four hundred thirty-five thousand, one hundred sixty-three".