505431316422 has 16 divisors (see below), whose sum is σ = 1123180703280. Its totient is φ = 168477105456.

The previous prime is 505431316391. The next prime is 505431316477. The reversal of 505431316422 is 224613134505.

505431316422 is a `hidden beast` number, since 5 + 0 + 5 + 4 + 3 + 1 + 3 + 1 + 642 + 2 = 666.

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 7 ways as a sum of consecutive naturals, for example, 4679919543 + ... + 4679919650.

It is an arithmetic number, because the mean of its divisors is an integer number (70198793955).

Almost surely, 2^505431316422 is an apocalyptic number.

505431316422 is an abundant number, since it is smaller than the sum of its proper divisors (617749386858).

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

505431316422 is a wasteful number, since it uses less digits than its factorization.

505431316422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359839204 (or 9359839198 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 505431316422 in words is "five hundred five billion, four hundred thirty-one million, three hundred sixteen thousand, four hundred twenty-two".