566343420 has 72 divisors (see below), whose sum is σ = 1620598224. Its totient is φ = 147777024.

The previous prime is 566343409. The next prime is 566343473. The reversal of 566343420 is 24343665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130404 + ... + 134676.

Almost surely, 2^566343420 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 566343420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (810299112).

566343420 is an abundant number, since it is smaller than the sum of its proper divisors (1054254804).

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

566343420 is a wasteful number, since it uses less digits than its factorization.

566343420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4379 (or 4330 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 33.

The square root of 566343420 is about 23797.9709219084. The cubic root of 566343420 is about 827.3576490165.

The spelling of 566343420 in words is "five hundred sixty-six million, three hundred forty-three thousand, four hundred twenty".