4000404044 has 24 divisors (see below), whose sum is σ = 8616255648. Its totient is φ = 1582577280.

The previous prime is 4000404019. The next prime is 4000404059. The reversal of 4000404044 is 4404040004.

4000404044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5494697 + ... + 5495424.

It is an arithmetic number, because the mean of its divisors is an integer number (359010652).

Almost surely, 2^4000404044 is an apocalyptic number.

It is an amenable number.

4000404044 is an abundant number, since it is smaller than the sum of its proper divisors (4615851604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4000404044 is a wasteful number, since it uses less digits than its factorization.

4000404044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10990145 (or 10990143 counting only the distinct ones).

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

The square root of 4000404044 is about 63248.7473709954. The cubic root of 4000404044 is about 1587.4544984912.

Adding to 4000404044 its reverse (4404040004), we get a palindrome (8404444048).

The spelling of 4000404044 in words is "four billion, four hundred four thousand, forty-four".