4021404004444 has 48 divisors (see below), whose sum is σ = 7459300709280. Its totient is φ = 1890426193920.

The previous prime is 4021404004439. The next prime is 4021404004447. The reversal of 4021404004444 is 4444004041204.

4021404004444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021404004447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 559535019 + ... + 559542205.

It is an arithmetic number, because the mean of its divisors is an integer number (155402098110).

Almost surely, 2^{4021404004444} is an apocalyptic number.

It is an amenable number.

4021404004444 is a deficient number, since it is larger than the sum of its proper divisors (3437896704836).

4021404004444 is a wasteful number, since it uses less digits than its factorization.

4021404004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14758 (or 14756 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 4021404004444 its reverse (4444004041204), we get a palindrome (8465408045648).

The spelling of 4021404004444 in words is "four trillion, twenty-one billion, four hundred four million, four thousand, four hundred forty-four".