4044404014021 has 32 divisors (see below), whose sum is σ = 4969196960000. Its totient is φ = 3281231612736.

The previous prime is 4044404013931. The next prime is 4044404014031. The reversal of 4044404014021 is 1204104044404.

It is not a de Polignac number, because 4044404014021 - 2⁷ = 4044404013893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4044404014031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7001695 + ... + 7557283.

It is an arithmetic number, because the mean of its divisors is an integer number (155287405000).

Almost surely, 2^{4044404014021} is an apocalyptic number.

It is an amenable number.

4044404014021 is a deficient number, since it is larger than the sum of its proper divisors (924792945979).

4044404014021 is a wasteful number, since it uses less digits than its factorization.

4044404014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556746 (or 556732 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 4044404014021 its reverse (1204104044404), we get a palindrome (5248508058425).

The spelling of 4044404014021 in words is "four trillion, forty-four billion, four hundred four million, fourteen thousand, twenty-one".