564463044 has 72 divisors (see below), whose sum is σ = 1462406400. Its totient is φ = 183493632.

The previous prime is 564462991. The next prime is 564463049. The reversal of 564463044 is 440364465.

564463044 is a `hidden beast` number, since 5 + 644 + 6 + 3 + 0 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (564463049) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 759337 + ... + 760079.

It is an arithmetic number, because the mean of its divisors is an integer number (20311200).

Almost surely, 2^564463044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 564463044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731203200).

564463044 is an abundant number, since it is smaller than the sum of its proper divisors (897943356).

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

564463044 is a wasteful number, since it uses less digits than its factorization.

564463044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1249 (or 1244 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The square root of 564463044 is about 23758.4310088019. The cubic root of 564463044 is about 826.4409682005.

The spelling of 564463044 in words is "five hundred sixty-four million, four hundred sixty-three thousand, forty-four".