564335420 has 24 divisors (see below), whose sum is σ = 1292841648. Its totient is φ = 205212800.

The previous prime is 564335411. The next prime is 564335437. The reversal of 564335420 is 24533465.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282361 + ... + 1282800.

It is an arithmetic number, because the mean of its divisors is an integer number (53868402).

Almost surely, 2^564335420 is an apocalyptic number.

It is an amenable number.

564335420 is an abundant number, since it is smaller than the sum of its proper divisors (728506228).

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

564335420 is a wasteful number, since it uses less digits than its factorization.

564335420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565181 (or 2565179 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 564335420 is about 23755.7449893705. The cubic root of 564335420 is about 826.3786779387.

Adding to 564335420 its reverse (24533465), we get a palindrome (588868885).

The spelling of 564335420 in words is "five hundred sixty-four million, three hundred thirty-five thousand, four hundred twenty".