566219540 has 36 divisors (see below), whose sum is σ = 1198350804. Its totient is φ = 224726016.

The previous prime is 566219539. The next prime is 566219569. The reversal of 566219540 is 45912665.

It can be written as a sum of positive squares in 2 ways, for example, as 169572484 + 396647056 = 13022^2 + 19916^2 .

It is a super-3 number, since 3×566219540³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 566219494 and 566219503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1478189 + ... + 1478571.

Almost surely, 2^566219540 is an apocalyptic number.

It is an amenable number.

566219540 is an abundant number, since it is smaller than the sum of its proper divisors (632131264).

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

566219540 is a wasteful number, since it uses less digits than its factorization.

566219540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 566219540 is about 23795.3680366579. The cubic root of 566219540 is about 827.2973201678.

The spelling of 566219540 in words is "five hundred sixty-six million, two hundred nineteen thousand, five hundred forty".