506221542761720 has 32 divisors (see below), whose sum is σ = 1140208884126720. Its totient is φ = 202273432586880.

The previous prime is 506221542761713. The next prime is 506221542761729. The reversal of 506221542761720 is 27167245122605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506221542761729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6724478072 + ... + 6724553351.

It is an arithmetic number, because the mean of its divisors is an integer number (35631527628960).

Almost surely, 2^{506221542761720} is an apocalyptic number.

It is an amenable number.

506221542761720 is an abundant number, since it is smaller than the sum of its proper divisors (633987341365000).

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

506221542761720 is a wasteful number, since it uses less digits than its factorization.

506221542761720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449032375 (or 13449032371 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 50.

The spelling of 506221542761720 in words is "five hundred six trillion, two hundred twenty-one billion, five hundred forty-two million, seven hundred sixty-one thousand, seven hundred twenty".