40394960308511 has 2 divisors, whose sum is σ = 40394960308512. Its totient is φ = 40394960308510.

The previous prime is 40394960308489. The next prime is 40394960308523. The reversal of 40394960308511 is 11580306949304.

40394960308511 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 is a cyclic number.

It is not a de Polignac number, because 40394960308511 - 2¹⁰ = 40394960307487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40394960308531) 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, 20197480154255 + 20197480154256.

It is an arithmetic number, because the mean of its divisors is an integer number (20197480154256).

Almost surely, 2^{40394960308511} is an apocalyptic number.

40394960308511 is a deficient number, since it is larger than the sum of its proper divisors (1).

40394960308511 is an equidigital number, since it uses as much as digits as its factorization.

40394960308511 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2799360, while the sum is 53.

The spelling of 40394960308511 in words is "forty trillion, three hundred ninety-four billion, nine hundred sixty million, three hundred eight thousand, five hundred eleven".