564211494 has 96 divisors (see below), whose sum is σ = 1580656896. Its totient is φ = 146538720.

The previous prime is 564211493. The next prime is 564211567. The reversal of 564211494 is 494112465.

564211494 is a `hidden beast` number, since 5 + 642 + 1 + 1 + 4 + 9 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (564211493) 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 47 ways as a sum of consecutive naturals, for example, 29884 + ... + 44960.

It is an arithmetic number, because the mean of its divisors is an integer number (16465176).

Almost surely, 2^564211494 is an apocalyptic number.

564211494 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 564211494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790328448).

564211494 is an abundant number, since it is smaller than the sum of its proper divisors (1016445402).

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

564211494 is a wasteful number, since it uses less digits than its factorization.

564211494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112 (or 15100 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 564211494 is about 23753.1365086803. The cubic root of 564211494 is about 826.3181835958.

The spelling of 564211494 in words is "five hundred sixty-four million, two hundred eleven thousand, four hundred ninety-four".