424441444 has 24 divisors (see below), whose sum is σ = 851578560. Its totient is φ = 181325856.

The previous prime is 424441439. The next prime is 424441453. The reversal of 424441444 is 444144424.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15034 + ... + 32785.

It is an arithmetic number, because the mean of its divisors is an integer number (35482440).

Almost surely, 2^424441444 is an apocalyptic number.

It is an amenable number.

424441444 is an abundant number, since it is smaller than the sum of its proper divisors (427137116).

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

424441444 is a wasteful number, since it uses less digits than its factorization.

424441444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48147 (or 48145 counting only the distinct ones).

The product of its digits is 32768, while the sum is 31.

The square root of 424441444 is about 20601.9767012780. The cubic root of 424441444 is about 751.5177820818.

Adding to 424441444 its reverse (444144424), we get a palindrome (868585868).

The spelling of 424441444 in words is "four hundred twenty-four million, four hundred forty-one thousand, four hundred forty-four".