564351280 has 40 divisors (see below), whose sum is σ = 1354449024. Its totient is φ = 218457600.

The previous prime is 564351257. The next prime is 564351301. The reversal of 564351280 is 82153465.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111301 + ... + 116260.

Almost surely, 2^564351280 is an apocalyptic number.

It is an amenable number.

564351280 is an abundant number, since it is smaller than the sum of its proper divisors (790097744).

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

564351280 is a wasteful number, since it uses less digits than its factorization.

564351280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227605 (or 227599 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 564351280 is about 23756.0788010143. The cubic root of 564351280 is about 826.3864193413.

The spelling of 564351280 in words is "five hundred sixty-four million, three hundred fifty-one thousand, two hundred eighty".