40620325063 has 2 divisors, whose sum is σ = 40620325064. Its totient is φ = 40620325062.

The previous prime is 40620325061. The next prime is 40620325073. The reversal of 40620325063 is 36052302604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40620325063 - 2¹ = 40620325061 is a prime.

Together with 40620325061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40620325061) 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, 20310162531 + 20310162532.

It is an arithmetic number, because the mean of its divisors is an integer number (20310162532).

Almost surely, 2^40620325063 is an apocalyptic number.

40620325063 is a deficient number, since it is larger than the sum of its proper divisors (1).

40620325063 is an equidigital number, since it uses as much as digits as its factorization.

40620325063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 40620325063 its reverse (36052302604), we get a palindrome (76672627667).

The spelling of 40620325063 in words is "forty billion, six hundred twenty million, three hundred twenty-five thousand, sixty-three".