40254133529 has 2 divisors, whose sum is σ = 40254133530. Its totient is φ = 40254133528.

The previous prime is 40254133483. The next prime is 40254133531. The reversal of 40254133529 is 92533145204.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40219500304 + 34633225 = 200548^2 + 5885^2 .

It is a cyclic number.

It is not a de Polignac number, because 40254133529 - 2²⁰ = 40253084953 is a prime.

Together with 40254133531, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40254133492 and 40254133501.

It is not a weakly prime, because it can be changed into another prime (40254130529) 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, 20127066764 + 20127066765.

It is an arithmetic number, because the mean of its divisors is an integer number (20127066765).

Almost surely, 2^40254133529 is an apocalyptic number.

It is an amenable number.

40254133529 is a deficient number, since it is larger than the sum of its proper divisors (1).

40254133529 is an equidigital number, since it uses as much as digits as its factorization.

40254133529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 40254133529 in words is "forty billion, two hundred fifty-four million, one hundred thirty-three thousand, five hundred twenty-nine".