424400566 has 4 divisors (see below), whose sum is σ = 636600852. Its totient is φ = 212200282.

The previous prime is 424400539. The next prime is 424400573. The reversal of 424400566 is 665004424.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×424400566² = 360231680842240712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100140 + ... + 106100143.

It is an arithmetic number, because the mean of its divisors is an integer number (159150213).

Almost surely, 2^424400566 is an apocalyptic number.

424400566 is a deficient number, since it is larger than the sum of its proper divisors (212200286).

424400566 is a wasteful number, since it uses less digits than its factorization.

424400566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212200285.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 424400566 is about 20600.9845881210. The cubic root of 424400566 is about 751.4936550551.

The spelling of 424400566 in words is "four hundred twenty-four million, four hundred thousand, five hundred sixty-six".