505974381768 has 96 divisors (see below), whose sum is σ = 1377515543040. Its totient is φ = 167777015040.

The previous prime is 505974381751. The next prime is 505974381779. The reversal of 505974381768 is 867183479505.

505974381768 is a `hidden beast` number, since 5 + 0 + 597 + 4 + 38 + 1 + 7 + 6 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22997253 + ... + 23019243.

It is an arithmetic number, because the mean of its divisors is an integer number (14349120240).

Almost surely, 2^505974381768 is an apocalyptic number.

It is an amenable number.

505974381768 is an abundant number, since it is smaller than the sum of its proper divisors (871541161272).

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

505974381768 is a wasteful number, since it uses less digits than its factorization.

505974381768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23659 (or 23652 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 63.

The spelling of 505974381768 in words is "five hundred five billion, nine hundred seventy-four million, three hundred eighty-one thousand, seven hundred sixty-eight".