424404242 has 8 divisors (see below), whose sum is σ = 638431500. Its totient is φ = 211593744.

The previous prime is 424404209. The next prime is 424404247. The reversal of 424404242 is 242404424.

It can be written as a sum of positive squares in 2 ways, for example, as 372837481 + 51566761 = 19309^2 + 7181^2 .

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

It is not an unprimeable number, because it can be changed into a prime (424404247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 303317 + ... + 304712.

Almost surely, 2^424404242 is an apocalyptic number.

424404242 is a deficient number, since it is larger than the sum of its proper divisors (214027258).

424404242 is a wasteful number, since it uses less digits than its factorization.

424404242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608380.

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 424404242 is about 20601.0738069645. The cubic root of 424404242 is about 751.4958247684.

Adding to 424404242 its reverse (242404424), we get a palindrome (666808666).

The spelling of 424404242 in words is "four hundred twenty-four million, four hundred four thousand, two hundred forty-two".