40452007474121 has 2 divisors, whose sum is σ = 40452007474122. Its totient is φ = 40452007474120.

The previous prime is 40452007474103. The next prime is 40452007474127. The reversal of 40452007474121 is 12147470025404.

40452007474121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32526718368400 + 7925289105721 = 5703220^2 + 2815189^2 .

It is a cyclic number.

It is not a de Polignac number, because 40452007474121 - 2³⁸ = 40177129567177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (40452007474127) 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, 20226003737060 + 20226003737061.

It is an arithmetic number, because the mean of its divisors is an integer number (20226003737061).

Almost surely, 2^{40452007474121} is an apocalyptic number.

It is an amenable number.

40452007474121 is a deficient number, since it is larger than the sum of its proper divisors (1).

40452007474121 is an equidigital number, since it uses as much as digits as its factorization.

40452007474121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 250880, while the sum is 41.

Adding to 40452007474121 its reverse (12147470025404), we get a palindrome (52599477499525).

The spelling of 40452007474121 in words is "forty trillion, four hundred fifty-two billion, seven million, four hundred seventy-four thousand, one hundred twenty-one".