564763740256 has 24 divisors (see below), whose sum is σ = 1130724017640. Its totient is φ = 277595735808.

The previous prime is 564763740251. The next prime is 564763740259. The reversal of 564763740256 is 652047367465.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 564763740197 and 564763740206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564763740251) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 149564781 + ... + 149568556.

It is an arithmetic number, because the mean of its divisors is an integer number (47113500735).

Almost surely, 2^564763740256 is an apocalyptic number.

It is an amenable number.

564763740256 is an abundant number, since it is smaller than the sum of its proper divisors (565960277384).

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

564763740256 is a wasteful number, since it uses less digits than its factorization.

564763740256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299133406 (or 299133398 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 55.

The spelling of 564763740256 in words is "five hundred sixty-four billion, seven hundred sixty-three million, seven hundred forty thousand, two hundred fifty-six".