564469348840 has 32 divisors (see below), whose sum is σ = 1270212204960. Its totient is φ = 225759976000.

The previous prime is 564469348747. The next prime is 564469348853. The reversal of 564469348840 is 48843964465.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 536686 + ... + 1190365.

It is an arithmetic number, because the mean of its divisors is an integer number (39694131405).

Almost surely, 2^564469348840 is an apocalyptic number.

It is an amenable number.

564469348840 is an abundant number, since it is smaller than the sum of its proper divisors (705742856120).

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

564469348840 is a wasteful number, since it uses less digits than its factorization.

564469348840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735233 (or 1735229 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 61.

The spelling of 564469348840 in words is "five hundred sixty-four billion, four hundred sixty-nine million, three hundred forty-eight thousand, eight hundred forty".