40254646127 has 2 divisors, whose sum is σ = 40254646128. Its totient is φ = 40254646126.

The previous prime is 40254646093. The next prime is 40254646139. The reversal of 40254646127 is 72164645204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40254646127 - 2⁶ = 40254646063 is a prime.

It is a super-2 number, since 2×40254646127² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40254646147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127323063 + 20127323064.

It is an arithmetic number, because the mean of its divisors is an integer number (20127323064).

Almost surely, 2^40254646127 is an apocalyptic number.

40254646127 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254646127 is an equidigital number, since it uses as much as digits as its factorization.

40254646127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

The spelling of 40254646127 in words is "forty billion, two hundred fifty-four million, six hundred forty-six thousand, one hundred twenty-seven".