424244420 has 24 divisors (see below), whose sum is σ = 891342144. Its totient is φ = 169616096.

The previous prime is 424244413. The next prime is 424244423. The reversal of 424244420 is 24442424.

It is a super-2 number, since 2×424244420² = 359966655802272800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424244420.

It is not an unprimeable number, because it can be changed into a prime (424244423) 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, 54407 + ... + 61713.

It is an arithmetic number, because the mean of its divisors is an integer number (37139256).

Almost surely, 2^424244420 is an apocalyptic number.

It is an amenable number.

424244420 is an abundant number, since it is smaller than the sum of its proper divisors (467097724).

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

424244420 is a wasteful number, since it uses less digits than its factorization.

424244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10219 (or 10217 counting only the distinct ones).

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

The square root of 424244420 is about 20597.1944691504. The cubic root of 424244420 is about 751.4014802470.

Adding to 424244420 its reverse (24442424), we get a palindrome (448686844).

The spelling of 424244420 in words is "four hundred twenty-four million, two hundred forty-four thousand, four hundred twenty".