564365420 has 24 divisors (see below), whose sum is σ = 1187757648. Its totient is φ = 225252800.

The previous prime is 564365419. The next prime is 564365429. The reversal of 564365420 is 24563465.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (564365429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21386 + ... + 39825.

It is an arithmetic number, because the mean of its divisors is an integer number (49489902).

Almost surely, 2^564365420 is an apocalyptic number.

It is an amenable number.

564365420 is an abundant number, since it is smaller than the sum of its proper divisors (623392228).

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

564365420 is a wasteful number, since it uses less digits than its factorization.

564365420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61681 (or 61679 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 564365420 is about 23756.3764071880. The cubic root of 564365420 is about 826.3933210748.

The spelling of 564365420 in words is "five hundred sixty-four million, three hundred sixty-five thousand, four hundred twenty".