2004402404 has 12 divisors (see below), whose sum is σ = 3509366700. Its totient is φ = 1001726208.

The previous prime is 2004402377. The next prime is 2004402451. The reversal of 2004402404 is 4042044002.

It can be written as a sum of positive squares in 2 ways, for example, as 1462909504 + 541492900 = 38248^2 + 23270^2 .

It is a super-3 number, since 3×2004402404³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109169 + ... + 126200.

It is an arithmetic number, because the mean of its divisors is an integer number (292447225).

Almost surely, 2^2004402404 is an apocalyptic number.

It is an amenable number.

2004402404 is a deficient number, since it is larger than the sum of its proper divisors (1504964296).

2004402404 is a wasteful number, since it uses less digits than its factorization.

2004402404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237502 (or 237500 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2004402404 is about 44770.5528668119. The cubic root of 2004402404 is about 1260.8448193366.

Adding to 2004402404 its reverse (4042044002), we get a palindrome (6046446406).

The spelling of 2004402404 in words is "two billion, four million, four hundred two thousand, four hundred four".