4005444404 has 48 divisors (see below), whose sum is σ = 7815413760. Its totient is φ = 1783710720.

The previous prime is 4005444323. The next prime is 4005444413. The reversal of 4005444404 is 4044445004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 565517 + ... + 572555.

It is an arithmetic number, because the mean of its divisors is an integer number (162821120).

Almost surely, 2^4005444404 is an apocalyptic number.

It is an amenable number.

4005444404 is a deficient number, since it is larger than the sum of its proper divisors (3809969356).

4005444404 is a wasteful number, since it uses less digits than its factorization.

4005444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440 (or 7438 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

The square root of 4005444404 is about 63288.5803601250. The cubic root of 4005444404 is about 1588.1209298445.

Adding to 4005444404 its reverse (4044445004), we get a palindrome (8049889408).

The spelling of 4005444404 in words is "four billion, five million, four hundred forty-four thousand, four hundred four".