40266695531399 has 2 divisors, whose sum is σ = 40266695531400. Its totient is φ = 40266695531398.

The previous prime is 40266695531353. The next prime is 40266695531449. The reversal of 40266695531399 is 99313559666204.

It is a happy number.

40266695531399 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40266695531399 - 2⁴⁰ = 39167183903623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40266695536399) 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, 20133347765699 + 20133347765700.

It is an arithmetic number, because the mean of its divisors is an integer number (20133347765700).

Almost surely, 2^{40266695531399} is an apocalyptic number.

40266695531399 is a deficient number, since it is larger than the sum of its proper divisors (1).

40266695531399 is an equidigital number, since it uses as much as digits as its factorization.

40266695531399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283435200, while the sum is 68.

The spelling of 40266695531399 in words is "forty trillion, two hundred sixty-six billion, six hundred ninety-five million, five hundred thirty-one thousand, three hundred ninety-nine".