505221886672 has 40 divisors (see below), whose sum is σ = 1013119977600. Its totient is φ = 243780147072.

The previous prime is 505221886667. The next prime is 505221886703. The reversal of 505221886672 is 276688122505.

It is a super-2 number, since 2×505221886672² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 679093 + ... + 1213099.

It is an arithmetic number, because the mean of its divisors is an integer number (25327999440).

Almost surely, 2^505221886672 is an apocalyptic number.

It is an amenable number.

505221886672 is an abundant number, since it is smaller than the sum of its proper divisors (507898090928).

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

505221886672 is a wasteful number, since it uses less digits than its factorization.

505221886672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536083 (or 536077 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 505221886672 in words is "five hundred five billion, two hundred twenty-one million, eight hundred eighty-six thousand, six hundred seventy-two".