564746506233844 has 48 divisors (see below), whose sum is σ = 1078379138370240. Its totient is φ = 256648982204160.

The previous prime is 564746506233821. The next prime is 564746506233857. The reversal of 564746506233844 is 448332605647465.

It is a super-2 number, since 2×564746506233844² (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 564746506233844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5425559752 + ... + 5425663840.

It is an arithmetic number, because the mean of its divisors is an integer number (22466232049380).

Almost surely, 2^{564746506233844} is an apocalyptic number.

It is an amenable number.

564746506233844 is a deficient number, since it is larger than the sum of its proper divisors (513632632136396).

564746506233844 is a wasteful number, since it uses less digits than its factorization.

564746506233844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128848 (or 128846 counting only the distinct ones).

The product of its (nonzero) digits is 1393459200, while the sum is 67.

The spelling of 564746506233844 in words is "five hundred sixty-four trillion, seven hundred forty-six billion, five hundred six million, two hundred thirty-three thousand, eight hundred forty-four".