4000444044 has 12 divisors (see below), whose sum is σ = 9334369464. Its totient is φ = 1333481344.

The previous prime is 4000444031. The next prime is 4000444051. The reversal of 4000444044 is 4404440004.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166685157 + ... + 166685180.

It is an arithmetic number, because the mean of its divisors is an integer number (777864122).

Almost surely, 2^4000444044 is an apocalyptic number.

It is an amenable number.

4000444044 is an abundant number, since it is smaller than the sum of its proper divisors (5333925420).

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

4000444044 is a wasteful number, since it uses less digits than its factorization.

4000444044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333370344 (or 333370342 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4000444044 is about 63249.0635820010. The cubic root of 4000444044 is about 1587.4597894541.

Adding to 4000444044 its reverse (4404440004), we get a palindrome (8404884048).

It can be divided in two parts, 40004 and 44044, that added together give a palindrome (84048).

The spelling of 4000444044 in words is "four billion, four hundred forty-four thousand, forty-four".