505240542422 has 96 divisors (see below), whose sum is σ = 968592328704. Its totient is φ = 195448075200.

The previous prime is 505240542379. The next prime is 505240542431. The reversal of 505240542422 is 224245042505.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 in 47 ways as a sum of consecutive naturals, for example, 126213473 + ... + 126217475.

It is an arithmetic number, because the mean of its divisors is an integer number (10089503424).

Almost surely, 2^505240542422 is an apocalyptic number.

505240542422 is a deficient number, since it is larger than the sum of its proper divisors (463351786282).

505240542422 is a wasteful number, since it uses less digits than its factorization.

505240542422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834 (or 4827 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 35.

Adding to 505240542422 its reverse (224245042505), we get a palindrome (729485584927).

The spelling of 505240542422 in words is "five hundred five billion, two hundred forty million, five hundred forty-two thousand, four hundred twenty-two".