424550666 has 8 divisors (see below), whose sum is σ = 647619840. Its totient is φ = 208677388.

The previous prime is 424550663. The next prime is 424550669. The reversal of 424550666 is 666055424.

It is an interprime number because it is at equal distance from previous prime (424550663) and next prime (424550669).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (424550663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798826 + ... + 1799061.

It is an arithmetic number, because the mean of its divisors is an integer number (80952480).

Almost surely, 2^424550666 is an apocalyptic number.

424550666 is a deficient number, since it is larger than the sum of its proper divisors (223069174).

424550666 is a wasteful number, since it uses less digits than its factorization.

424550666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3597948.

The product of its (nonzero) digits is 172800, while the sum is 38.

The square root of 424550666 is about 20604.6272958285. The cubic root of 424550666 is about 751.5822395286.

The spelling of 424550666 in words is "four hundred twenty-four million, five hundred fifty thousand, six hundred sixty-six".