40400563515227 has 2 divisors, whose sum is σ = 40400563515228. Its totient is φ = 40400563515226.

The previous prime is 40400563515149. The next prime is 40400563515229. The reversal of 40400563515227 is 72251536500404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40400563515227 - 2²⁴ = 40400546738011 is a prime.

It is a super-2 number, since 2×40400563515227² (a number of 28 digits) contains 22 as substring.

Together with 40400563515229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40400563515229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20200281757613 + 20200281757614.

It is an arithmetic number, because the mean of its divisors is an integer number (20200281757614).

Almost surely, 2^{40400563515227} is an apocalyptic number.

40400563515227 is a deficient number, since it is larger than the sum of its proper divisors (1).

40400563515227 is an equidigital number, since it uses as much as digits as its factorization.

40400563515227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The spelling of 40400563515227 in words is "forty trillion, four hundred billion, five hundred sixty-three million, five hundred fifteen thousand, two hundred twenty-seven".