564478450 has 12 divisors (see below), whose sum is σ = 1049930010. Its totient is φ = 225791360.

The previous prime is 564478441. The next prime is 564478451. The reversal of 564478450 is 54874465.

It can be written as a sum of positive squares in 3 ways, for example, as 512162161 + 52316289 = 22631^2 + 7233^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564478397 and 564478406.

It is not an unprimeable number, because it can be changed into a prime (564478451) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5644735 + ... + 5644834.

Almost surely, 2^564478450 is an apocalyptic number.

564478450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

564478450 is a deficient number, since it is larger than the sum of its proper divisors (485451560).

564478450 is a wasteful number, since it uses less digits than its factorization.

564478450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11289581 (or 11289576 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 43.

The square root of 564478450 is about 23758.7552283364. The cubic root of 564478450 is about 826.4484868703.

The spelling of 564478450 in words is "five hundred sixty-four million, four hundred seventy-eight thousand, four hundred fifty".