40451348085329 has 2 divisors, whose sum is σ = 40451348085330. Its totient is φ = 40451348085328.

The previous prime is 40451348085287. The next prime is 40451348085341. The reversal of 40451348085329 is 92358084315404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22179767011600 + 18271581073729 = 4709540^2 + 4274527^2 .

It is a cyclic number.

It is not a de Polignac number, because 40451348085329 - 2¹⁶ = 40451348019793 is a prime.

It is not a weakly prime, because it can be changed into another prime (40451348085349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225674042664 + 20225674042665.

It is an arithmetic number, because the mean of its divisors is an integer number (20225674042665).

Almost surely, 2^{40451348085329} is an apocalyptic number.

It is an amenable number.

40451348085329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40451348085329 is an equidigital number, since it uses as much as digits as its factorization.

40451348085329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16588800, while the sum is 56.

The spelling of 40451348085329 in words is "forty trillion, four hundred fifty-one billion, three hundred forty-eight million, eighty-five thousand, three hundred twenty-nine".