624420466 has 8 divisors (see below), whose sum is σ = 939039660. Its totient is φ = 311407248.

The previous prime is 624420449. The next prime is 624420487. The reversal of 624420466 is 664024426.

It can be written as a sum of positive squares in 2 ways, for example, as 621255625 + 3164841 = 24925^2 + 1779^2 .

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

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 in 3 ways as a sum of consecutive naturals, for example, 400521 + ... + 402076.

Almost surely, 2^624420466 is an apocalyptic number.

624420466 is a deficient number, since it is larger than the sum of its proper divisors (314619194).

624420466 is a wasteful number, since it uses less digits than its factorization.

624420466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802988.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 624420466 is about 24988.4066318763. The cubic root of 624420466 is about 854.7236278296.

The spelling of 624420466 in words is "six hundred twenty-four million, four hundred twenty thousand, four hundred sixty-six".