505144142344242 has 32 divisors (see below), whose sum is σ = 1122543337881600. Its totient is φ = 168381260880624.

The previous prime is 505144142344211. The next prime is 505144142344321. The reversal of 505144142344242 is 242443241441505.

505144142344242 is a `hidden beast` number, since 5 + 0 + 5 + 144 + 1 + 4 + 23 + 442 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106332088 + ... + 110981084.

It is an arithmetic number, because the mean of its divisors is an integer number (35079479308800).

Almost surely, 2^{505144142344242} is an apocalyptic number.

505144142344242 is an abundant number, since it is smaller than the sum of its proper divisors (617399195537358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

505144142344242 is a wasteful number, since it uses less digits than its factorization.

505144142344242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6661167 (or 6661161 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 45.

Adding to 505144142344242 its reverse (242443241441505), we get a palindrome (747587383785747).

The spelling of 505144142344242 in words is "five hundred five trillion, one hundred forty-four billion, one hundred forty-two million, three hundred forty-four thousand, two hundred forty-two".