566742440 has 32 divisors (see below), whose sum is σ = 1391096160. Its totient is φ = 206088000.

The previous prime is 566742439. The next prime is 566742457. The reversal of 566742440 is 44247665.

566742440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 566742394 and 566742403.

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, 643586 + ... + 644465.

It is an arithmetic number, because the mean of its divisors is an integer number (43471755).

Almost surely, 2^566742440 is an apocalyptic number.

It is an amenable number.

566742440 is an abundant number, since it is smaller than the sum of its proper divisors (824353720).

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

566742440 is a wasteful number, since it uses less digits than its factorization.

566742440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288073 (or 1288069 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 566742440 is about 23806.3529336184. The cubic root of 566742440 is about 827.5519096810.

The spelling of 566742440 in words is "five hundred sixty-six million, seven hundred forty-two thousand, four hundred forty".