562904640 has 392 divisors, whose sum is σ = 2132136960. Its totient is φ = 141087744.

The previous prime is 562904623. The next prime is 562904647. The reversal of 562904640 is 46409265.

562904640 is a `hidden beast` number, since 5 + 6 + 2 + 9 + 0 + 4 + 640 = 666.

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 = 562904595 and 562904604.

It is not an unprimeable number, because it can be changed into a prime (562904647) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4432257 + ... + 4432383.

Almost surely, 2^562904640 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 562904640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1066068480).

562904640 is an abundant number, since it is smaller than the sum of its proper divisors (1569232320).

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

562904640 is a wasteful number, since it uses less digits than its factorization.

562904640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 562904640 is about 23725.6114778945. The cubic root of 562904640 is about 825.6797043115.

The spelling of 562904640 in words is "five hundred sixty-two million, nine hundred four thousand, six hundred forty".