562461640 has 32 divisors (see below), whose sum is σ = 1362889080. Its totient is φ = 207677952.

The previous prime is 562461623. The next prime is 562461661. The reversal of 562461640 is 46164265.

It can be written as a sum of positive squares in 4 ways, for example, as 431725284 + 130736356 = 20778^2 + 11434^2 .

It is a junction number, because it is equal to n+sod(n) for n = 562461596 and 562461605.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 540309 + ... + 541348.

Almost surely, 2^562461640 is an apocalyptic number.

It is an amenable number.

562461640 is an abundant number, since it is smaller than the sum of its proper divisors (800427440).

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

562461640 is a wasteful number, since it uses less digits than its factorization.

562461640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1081681 (or 1081677 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 562461640 is about 23716.2737376680. The cubic root of 562461640 is about 825.4630470668.

The spelling of 562461640 in words is "five hundred sixty-two million, four hundred sixty-one thousand, six hundred forty".