4000440404 has 6 divisors (see below), whose sum is σ = 7000770714. Its totient is φ = 2000220200.

The previous prime is 4000440383. The next prime is 4000440413. The reversal of 4000440404 is 4040440004.

4000440404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 3943588804 + 56851600 = 62798^2 + 7540^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500055047 + ... + 500055054.

It is an arithmetic number, because the mean of its divisors is an integer number (1166795119).

Almost surely, 2^4000440404 is an apocalyptic number.

It is an amenable number.

4000440404 is a deficient number, since it is larger than the sum of its proper divisors (3000330310).

4000440404 is a wasteful number, since it uses less digits than its factorization.

4000440404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1000110105 (or 1000110103 counting only the distinct ones).

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

The square root of 4000440404 is about 63249.0348068648. The cubic root of 4000440404 is about 1587.4593079780.

Adding to 4000440404 its reverse (4040440004), we get a palindrome (8040880408).

It can be divided in two parts, 40004 and 40404, that added together give a palindrome (80408).

The spelling of 4000440404 in words is "four billion, four hundred forty thousand, four hundred four".