1004000444 has 6 divisors (see below), whose sum is σ = 1757000784. Its totient is φ = 502000220.

The previous prime is 1004000443. The next prime is 1004000447. The reversal of 1004000444 is 4440004001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004000443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125500052 + ... + 125500059.

It is an arithmetic number, because the mean of its divisors is an integer number (292833464).

Almost surely, 2^1004000444 is an apocalyptic number.

It is an amenable number.

1004000444 is a deficient number, since it is larger than the sum of its proper divisors (753000340).

1004000444 is a wasteful number, since it uses less digits than its factorization.

1004000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251000115 (or 251000113 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 1004000444 is about 31685.9660417668. The cubic root of 1004000444 is about 1001.3317071023.

Adding to 1004000444 its reverse (4440004001), we get a palindrome (5444004445).

The spelling of 1004000444 in words is "one billion, four million, four hundred forty-four", and thus it is an aban number.