564634442 has 4 divisors (see below), whose sum is σ = 846951666. Its totient is φ = 282317220.

The previous prime is 564634417. The next prime is 564634463. The reversal of 564634442 is 244436465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 436016161 + 128618281 = 20881^2 + 11341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564634396 and 564634405.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141158609 + ... + 141158612.

Almost surely, 2^564634442 is an apocalyptic number.

564634442 is a deficient number, since it is larger than the sum of its proper divisors (282317224).

564634442 is a wasteful number, since it uses less digits than its factorization.

564634442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282317223.

The product of its digits is 276480, while the sum is 38.

The square root of 564634442 is about 23762.0378334856. The cubic root of 564634442 is about 826.5246087480.

The spelling of 564634442 in words is "five hundred sixty-four million, six hundred thirty-four thousand, four hundred forty-two".