40211042505427 has 2 divisors, whose sum is σ = 40211042505428. Its totient is φ = 40211042505426.

The previous prime is 40211042505391. The next prime is 40211042505479. The reversal of 40211042505427 is 72450524011204.

40211042505427 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 a de Polignac number, because none of the positive numbers 2^k-40211042505427 is a prime.

It is not a weakly prime, because it can be changed into another prime (40211042505527) 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, 20105521252713 + 20105521252714.

It is an arithmetic number, because the mean of its divisors is an integer number (20105521252714).

Almost surely, 2^{40211042505427} is an apocalyptic number.

40211042505427 is a deficient number, since it is larger than the sum of its proper divisors (1).

40211042505427 is an equidigital number, since it uses as much as digits as its factorization.

40211042505427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 89600, while the sum is 37.

The spelling of 40211042505427 in words is "forty trillion, two hundred eleven billion, forty-two million, five hundred five thousand, four hundred twenty-seven".