424242444 has 24 divisors (see below), whose sum is σ = 1016654128. Its totient is φ = 137592000.

The previous prime is 424242419. The next prime is 424242449. The reversal of 424242444 is 444242424.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (424242449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 477307 + ... + 478194.

Almost surely, 2^424242444 is an apocalyptic number.

It is an amenable number.

424242444 is an abundant number, since it is smaller than the sum of its proper divisors (592411684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424242444 is a wasteful number, since it uses less digits than its factorization.

424242444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955545 (or 955543 counting only the distinct ones).

The product of its digits is 32768, while the sum is 30.

The square root of 424242444 is about 20597.1465013967. The cubic root of 424242444 is about 751.4003136462.

Adding to 424242444 its reverse (444242424), we get a palindrome (868484868).

The spelling of 424242444 in words is "four hundred twenty-four million, two hundred forty-two thousand, four hundred forty-four".