401040314423443 has 2 divisors, whose sum is σ = 401040314423444. Its totient is φ = 401040314423442.

The previous prime is 401040314423381. The next prime is 401040314423579. The reversal of 401040314423443 is 344324413040104.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401040314423443 - 2⁹ = 401040314422931 is a prime.

It is not a weakly prime, because it can be changed into another prime (401040314123443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200520157211721 + 200520157211722.

It is an arithmetic number, because the mean of its divisors is an integer number (200520157211722).

Almost surely, 2^{401040314423443} is an apocalyptic number.

401040314423443 is a deficient number, since it is larger than the sum of its proper divisors (1).

401040314423443 is an equidigital number, since it uses as much as digits as its factorization.

401040314423443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 401040314423443 its reverse (344324413040104), we get a palindrome (745364727463547).

The spelling of 401040314423443 in words is "four hundred one trillion, forty billion, three hundred fourteen million, four hundred twenty-three thousand, four hundred forty-three".