624242426 has 8 divisors (see below), whose sum is σ = 937324980. Its totient is φ = 311800768.

The previous prime is 624242407. The next prime is 624242447.

624242426 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 443313025 + 180929401 = 21055^2 + 13451^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 624242392 and 624242401.

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, 157781 + ... + 161688.

Almost surely, 2^624242426 is an apocalyptic number.

624242426 is a deficient number, since it is larger than the sum of its proper divisors (313082554).

624242426 is a wasteful number, since it uses less digits than its factorization.

624242426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320448.

The product of its digits is 36864, while the sum is 32.

The square root of 624242426 is about 24984.8439258683. The cubic root of 624242426 is about 854.6423847845.

The spelling of 624242426 in words is "six hundred twenty-four million, two hundred forty-two thousand, four hundred twenty-six".