566678340 has 72 divisors (see below), whose sum is σ = 1820047320. Its totient is φ = 142224384.

The previous prime is 566678339. The next prime is 566678447. The reversal of 566678340 is 43876665.

It can be written as a sum of positive squares in 4 ways, for example, as 304432704 + 262245636 = 17448^2 + 16194^2 .

It is a super-2 number, since 2×566678340² = 642248682050311200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89535 + ... + 95654.

It is an arithmetic number, because the mean of its divisors is an integer number (25278435).

Almost surely, 2^566678340 is an apocalyptic number.

It is an amenable number.

566678340 is an abundant number, since it is smaller than the sum of its proper divisors (1253368980).

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

566678340 is a wasteful number, since it uses less digits than its factorization.

566678340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185221 (or 185216 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The square root of 566678340 is about 23805.0066162562. The cubic root of 566678340 is about 827.5207091016.

The spelling of 566678340 in words is "five hundred sixty-six million, six hundred seventy-eight thousand, three hundred forty".