566778340 has 12 divisors (see below), whose sum is σ = 1190234556. Its totient is φ = 226711328.

The previous prime is 566778271. The next prime is 566778371. The reversal of 566778340 is 43877665.

It can be written as a sum of positive squares in 2 ways, for example, as 402323364 + 164454976 = 20058^2 + 12824^2 .

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 3 ways as a sum of consecutive naturals, for example, 14169439 + ... + 14169478.

It is an arithmetic number, because the mean of its divisors is an integer number (99186213).

Almost surely, 2^566778340 is an apocalyptic number.

It is an amenable number.

566778340 is an abundant number, since it is smaller than the sum of its proper divisors (623456216).

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

566778340 is a wasteful number, since it uses less digits than its factorization.

566778340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28338926 (or 28338924 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 566778340 is about 23807.1069220937. The cubic root of 566778340 is about 827.5693829247.

The spelling of 566778340 in words is "five hundred sixty-six million, seven hundred seventy-eight thousand, three hundred forty".