40972520355727 has 2 divisors, whose sum is σ = 40972520355728. Its totient is φ = 40972520355726.

The previous prime is 40972520355653. The next prime is 40972520355731. The reversal of 40972520355727 is 72755302527904.

40972520355727 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 40972520355727 - 2³⁹ = 40422764541839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40972520355227) 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, 20486260177863 + 20486260177864.

It is an arithmetic number, because the mean of its divisors is an integer number (20486260177864).

Almost surely, 2^{40972520355727} is an apocalyptic number.

40972520355727 is a deficient number, since it is larger than the sum of its proper divisors (1).

40972520355727 is an equidigital number, since it uses as much as digits as its factorization.

40972520355727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37044000, while the sum is 58.

The spelling of 40972520355727 in words is "forty trillion, nine hundred seventy-two billion, five hundred twenty million, three hundred fifty-five thousand, seven hundred twenty-seven".