1004430404 has 6 divisors (see below), whose sum is σ = 1757753214. Its totient is φ = 502215200.

The previous prime is 1004430403. The next prime is 1004430419. The reversal of 1004430404 is 4040344001.

It can be written as a sum of positive squares in only one way, i.e., 968454400 + 35976004 = 31120^2 + 5998^2 .

It is not an unprimeable number, because it can be changed into a prime (1004430403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125553797 + ... + 125553804.

It is an arithmetic number, because the mean of its divisors is an integer number (292958869).

Almost surely, 2^1004430404 is an apocalyptic number.

It is an amenable number.

1004430404 is a deficient number, since it is larger than the sum of its proper divisors (753322810).

1004430404 is a wasteful number, since it uses less digits than its factorization.

1004430404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251107605 (or 251107603 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1004430404 is about 31692.7500226787. The cubic root of 1004430404 is about 1001.4746257434.

Adding to 1004430404 its reverse (4040344001), we get a palindrome (5044774405).

The spelling of 1004430404 in words is "one billion, four million, four hundred thirty thousand, four hundred four".