4004404424 has 16 divisors (see below), whose sum is σ = 7508929500. Its totient is φ = 2002023232.

The previous prime is 4004404409. The next prime is 4004404427. The reversal of 4004404424 is 4244044004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3955152100 + 49252324 = 62890^2 + 7018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4004404393 and 4004404402.

It is not an unprimeable number, because it can be changed into a prime (4004404427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167594 + ... + 189990.

Almost surely, 2^4004404424 is an apocalyptic number.

It is an amenable number.

4004404424 is a deficient number, since it is larger than the sum of its proper divisors (3504525076).

4004404424 is a wasteful number, since it uses less digits than its factorization.

4004404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44752 (or 44748 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4004404424 is about 63280.3636525581. The cubic root of 4004404424 is about 1587.9834705265.

Adding to 4004404424 its reverse (4244044004), we get a palindrome (8248448428).

The spelling of 4004404424 in words is "four billion, four million, four hundred four thousand, four hundred twenty-four".