405055444579 has 2 divisors, whose sum is σ = 405055444580. Its totient is φ = 405055444578.

The previous prime is 405055444499. The next prime is 405055444589. The reversal of 405055444579 is 975444550504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405055444579 is a prime.

It is not a weakly prime, because it can be changed into another prime (405055444589) 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, 202527722289 + 202527722290.

It is an arithmetic number, because the mean of its divisors is an integer number (202527722290).

Almost surely, 2^405055444579 is an apocalyptic number.

405055444579 is a deficient number, since it is larger than the sum of its proper divisors (1).

405055444579 is an equidigital number, since it uses as much as digits as its factorization.

405055444579 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080000, while the sum is 52.

The spelling of 405055444579 in words is "four hundred five billion, fifty-five million, four hundred forty-four thousand, five hundred seventy-nine".