4000044020004 has 36 divisors (see below), whose sum is σ = 10205719799184. Its totient is φ = 1320886809072.

The previous prime is 4000044019997. The next prime is 4000044020009. The reversal of 4000044020004 is 4000204400004.

It is a happy number.

4000044020004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (4000044020009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 519212662 + ... + 519220365.

It is an arithmetic number, because the mean of its divisors is an integer number (283492216644).

Almost surely, 2^{4000044020004} is an apocalyptic number.

It is an amenable number.

4000044020004 is an abundant number, since it is smaller than the sum of its proper divisors (6205675779180).

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

4000044020004 is a wasteful number, since it uses less digits than its factorization.

4000044020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038433144 (or 1038433139 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 4000044020004 its reverse (4000204400004), we get a palindrome (8000248420008).

The spelling of 4000044020004 in words is "four trillion, forty-four million, twenty thousand, four".