40001366211431 has 2 divisors, whose sum is σ = 40001366211432. Its totient is φ = 40001366211430.

The previous prime is 40001366211427. The next prime is 40001366211437. The reversal of 40001366211431 is 13411266310004.

It is a happy number.

40001366211431 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 40001366211431 - 2² = 40001366211427 is a prime.

It is a super-2 number, since 2×40001366211431² (a number of 28 digits) contains 22 as substring.

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 (40001366211437) 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, 20000683105715 + 20000683105716.

It is an arithmetic number, because the mean of its divisors is an integer number (20000683105716).

Almost surely, 2^{40001366211431} is an apocalyptic number.

40001366211431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001366211431 is an equidigital number, since it uses as much as digits as its factorization.

40001366211431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 32.

The spelling of 40001366211431 in words is "forty trillion, one billion, three hundred sixty-six million, two hundred eleven thousand, four hundred thirty-one".