566429440 has 72 divisors (see below), whose sum is σ = 1360936080. Its totient is φ = 225878016.

The previous prime is 566429407. The next prime is 566429483. The reversal of 566429440 is 44924665.

It is a happy number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 566429393 and 566429402.

It is a congruent number.

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, 699756 + ... + 700564.

It is an arithmetic number, because the mean of its divisors is an integer number (18901890).

Almost surely, 2^566429440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566429440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (680468040).

566429440 is an abundant number, since it is smaller than the sum of its proper divisors (794506640).

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

566429440 is an equidigital number, since it uses as much as digits as its factorization.

566429440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377 (or 1363 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 566429440 is about 23799.7781502265. The cubic root of 566429440 is about 827.3995350874.

The spelling of 566429440 in words is "five hundred sixty-six million, four hundred twenty-nine thousand, four hundred forty".