1004424444 has 72 divisors (see below), whose sum is σ = 2711060352. Its totient is φ = 312792480.

The previous prime is 1004424439. The next prime is 1004424479. The reversal of 1004424444 is 4444244001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21499 + ... + 49709.

It is an arithmetic number, because the mean of its divisors is an integer number (37653616).

Almost surely, 2^1004424444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1004424444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1355530176).

1004424444 is an abundant number, since it is smaller than the sum of its proper divisors (1706635908).

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

1004424444 is a wasteful number, since it uses less digits than its factorization.

1004424444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28287 (or 28282 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

The square root of 1004424444 is about 31692.6559947253. The cubic root of 1004424444 is about 1001.4726449190.

Adding to 1004424444 its reverse (4444244001), we get a palindrome (5448668445).

The spelling of 1004424444 in words is "one billion, four million, four hundred twenty-four thousand, four hundred forty-four".