40164122563 has 2 divisors, whose sum is σ = 40164122564. Its totient is φ = 40164122562.

The previous prime is 40164122561. The next prime is 40164122611. The reversal of 40164122563 is 36522146104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40164122563 - 2¹ = 40164122561 is a prime.

It is a super-2 number, since 2×40164122563² (a number of 22 digits) contains 22 as substring.

Together with 40164122561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40164122561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20082061281 + 20082061282.

It is an arithmetic number, because the mean of its divisors is an integer number (20082061282).

Almost surely, 2^40164122563 is an apocalyptic number.

40164122563 is a deficient number, since it is larger than the sum of its proper divisors (1).

40164122563 is an equidigital number, since it uses as much as digits as its factorization.

40164122563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 40164122563 its reverse (36522146104), we get a palindrome (76686268667).

The spelling of 40164122563 in words is "forty billion, one hundred sixty-four million, one hundred twenty-two thousand, five hundred sixty-three".