564635640372 has 24 divisors (see below), whose sum is σ = 1348122305376. Its totient is φ = 183834859488.

The previous prime is 564635640367. The next prime is 564635640379. The reversal of 564635640372 is 273046536465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564635640379) 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 7 ways as a sum of consecutive naturals, for example, 547127043 + ... + 547128074.

It is an arithmetic number, because the mean of its divisors is an integer number (56171762724).

Almost surely, 2^564635640372 is an apocalyptic number.

It is an amenable number.

564635640372 is an abundant number, since it is smaller than the sum of its proper divisors (783486665004).

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

564635640372 is a wasteful number, since it uses less digits than its factorization.

564635640372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094255167 (or 1094255165 counting only the distinct ones).

The product of its (nonzero) digits is 10886400, while the sum is 51.

The spelling of 564635640372 in words is "five hundred sixty-four billion, six hundred thirty-five million, six hundred forty thousand, three hundred seventy-two".