40740578476943 has 2 divisors, whose sum is σ = 40740578476944. Its totient is φ = 40740578476942.

The previous prime is 40740578476909. The next prime is 40740578476957. The reversal of 40740578476943 is 34967487504704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40740578476943 - 2¹⁸ = 40740578214799 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40740578475943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20370289238471 + 20370289238472.

It is an arithmetic number, because the mean of its divisors is an integer number (20370289238472).

Almost surely, 2^{40740578476943} is an apocalyptic number.

40740578476943 is a deficient number, since it is larger than the sum of its proper divisors (1).

40740578476943 is an equidigital number, since it uses as much as digits as its factorization.

40740578476943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 568995840, while the sum is 68.

The spelling of 40740578476943 in words is "forty trillion, seven hundred forty billion, five hundred seventy-eight million, four hundred seventy-six thousand, nine hundred forty-three".