562457640 has 64 divisors (see below), whose sum is σ = 1760745600. Its totient is φ = 143466752.

The previous prime is 562457611. The next prime is 562457647. The reversal of 562457640 is 46754265.

It is not an unprimeable number, because it can be changed into a prime (562457647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99135 + ... + 104654.

It is an arithmetic number, because the mean of its divisors is an integer number (27511650).

Almost surely, 2^562457640 is an apocalyptic number.

It is an amenable number.

562457640 is an abundant number, since it is smaller than the sum of its proper divisors (1198287960).

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

562457640 is a wasteful number, since it uses less digits than its factorization.

562457640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203826 (or 203822 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 562457640 is about 23716.1894072383. The cubic root of 562457640 is about 825.4610902756.

The spelling of 562457640 in words is "five hundred sixty-two million, four hundred fifty-seven thousand, six hundred forty".