505514905768 has 48 divisors (see below), whose sum is σ = 1022655636000. Its totient is φ = 233613959040.

The previous prime is 505514905613. The next prime is 505514905789. The reversal of 505514905768 is 867509415505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 733708 + ... + 1244731.

It is an arithmetic number, because the mean of its divisors is an integer number (21305325750).

Almost surely, 2^505514905768 is an apocalyptic number.

It is an amenable number.

505514905768 is an abundant number, since it is smaller than the sum of its proper divisors (517140730232).

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

505514905768 is a wasteful number, since it uses less digits than its factorization.

505514905768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978546 (or 1978501 counting only the distinct ones).

The product of its (nonzero) digits is 7560000, while the sum is 55.

The spelling of 505514905768 in words is "five hundred five billion, five hundred fourteen million, nine hundred five thousand, seven hundred sixty-eight".