562423644 has 36 divisors (see below), whose sum is σ = 1426952800. Its totient is φ = 186779520.

The previous prime is 562423637. The next prime is 562423649. The reversal of 562423644 is 446324265.

562423644 is a `hidden beast` number, since 5 + 6 + 2 + 4 + 2 + 3 + 644 = 666.

562423644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 562423599 and 562423608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (562423649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19069 + ... + 38580.

Almost surely, 2^562423644 is an apocalyptic number.

It is an amenable number.

562423644 is an abundant number, since it is smaller than the sum of its proper divisors (864529156).

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

562423644 is a wasteful number, since it uses less digits than its factorization.

562423644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57930 (or 57925 counting only the distinct ones).

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

The square root of 562423644 is about 23715.4726708113. The cubic root of 562423644 is about 825.4444591324. Note that the first 4 decimals are identical.

The spelling of 562423644 in words is "five hundred sixty-two million, four hundred twenty-three thousand, six hundred forty-four".