564136444 has 6 divisors (see below), whose sum is σ = 987238784. Its totient is φ = 282068220.

The previous prime is 564136439. The next prime is 564136471. The reversal of 564136444 is 444631465.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70517052 + ... + 70517059.

Almost surely, 2^564136444 is an apocalyptic number.

It is an amenable number.

564136444 is a deficient number, since it is larger than the sum of its proper divisors (423102340).

564136444 is a wasteful number, since it uses less digits than its factorization.

564136444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141034115 (or 141034113 counting only the distinct ones).

The product of its digits is 138240, while the sum is 37.

The square root of 564136444 is about 23751.5566647746. The cubic root of 564136444 is about 826.2815437127.

The spelling of 564136444 in words is "five hundred sixty-four million, one hundred thirty-six thousand, four hundred forty-four".