562544640 has 360 divisors, whose sum is σ = 2249126880. Its totient is φ = 127401984.

The previous prime is 562544621. The next prime is 562544669. The reversal of 562544640 is 46445265.

562544640 is a `hidden beast` number, since 5 + 6 + 2 + 5 + 4 + 4 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (360).

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 = 562544595 and 562544604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5160906 + ... + 5161014.

Almost surely, 2^562544640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 562544640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124563440).

562544640 is an abundant number, since it is smaller than the sum of its proper divisors (1686582240).

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

562544640 is a wasteful number, since it uses less digits than its factorization.

562544640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 562544640 is about 23718.0235264240. The cubic root of 562544640 is about 825.5036483916.

The spelling of 562544640 in words is "five hundred sixty-two million, five hundred forty-four thousand, six hundred forty".