1004400304 has 10 divisors (see below), whose sum is σ = 1946025620. Its totient is φ = 502200144.

The previous prime is 1004400289. The next prime is 1004400337. The reversal of 1004400304 is 4030044001.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 62775019 = 1004400304 / (1 + 0 + 0 + 4 + 4 + 0 + 0 + 3 + 0 + 4).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31387494 + ... + 31387525.

It is an arithmetic number, because the mean of its divisors is an integer number (194602562).

Almost surely, 2^1004400304 is an apocalyptic number.

It is an amenable number.

1004400304 is a deficient number, since it is larger than the sum of its proper divisors (941625316).

1004400304 is an equidigital number, since it uses as much as digits as its factorization.

1004400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62775027 (or 62775021 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1004400304 is about 31692.2751471080. The cubic root of 1004400304 is about 1001.4646218356.

Adding to 1004400304 its reverse (4030044001), we get a palindrome (5034444305).

The spelling of 1004400304 in words is "one billion, four million, four hundred thousand, three hundred four".