564405442 has 4 divisors (see below), whose sum is σ = 846608166. Its totient is φ = 282202720.

The previous prime is 564405421. The next prime is 564405463. The reversal of 564405442 is 244504465.

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

It is an interprime number because it is at equal distance from previous prime (564405421) and next prime (564405463).

It can be written as a sum of positive squares in only one way, i.e., 536431921 + 27973521 = 23161^2 + 5289^2 .

It is a junction number, because it is equal to n+sod(n) for n = 564405398 and 564405407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141101359 + ... + 141101362.

Almost surely, 2^564405442 is an apocalyptic number.

564405442 is a deficient number, since it is larger than the sum of its proper divisors (282202724).

564405442 is a wasteful number, since it uses less digits than its factorization.

564405442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282202723.

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 564405442 is about 23757.2187345236. The cubic root of 564405442 is about 826.4128551867.

The spelling of 564405442 in words is "five hundred sixty-four million, four hundred five thousand, four hundred forty-two".