459520812981568 has 28 divisors (see below), whose sum is σ = 982004814282100. Its totient is φ = 212086529068032.

The previous prime is 459520812981551. The next prime is 459520812981617. The reversal of 459520812981568 is 865189218025954.

It can be written as a sum of positive squares in 2 ways, for example, as 74019317488704 + 385501495492864 = 8603448^2 + 19634192^2 .

It is a super-2 number, since 2×459520812981568² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 459520812981568.

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 3 ways as a sum of consecutive naturals, for example, 276154333893 + ... + 276154335556.

It is an arithmetic number, because the mean of its divisors is an integer number (35071600510075).

Almost surely, 2^{459520812981568} is an apocalyptic number.

It is an amenable number.

459520812981568 is an abundant number, since it is smaller than the sum of its proper divisors (522484001300532).

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

459520812981568 is a wasteful number, since it uses less digits than its factorization.

459520812981568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552308669474 (or 552308669464 counting only the distinct ones).

The product of its (nonzero) digits is 497664000, while the sum is 73.

The spelling of 459520812981568 in words is "four hundred fifty-nine trillion, five hundred twenty billion, eight hundred twelve million, nine hundred eighty-one thousand, five hundred sixty-eight".