4144504021 has 8 divisors (see below), whose sum is σ = 4942514304. Its totient is φ = 3397978320.

The previous prime is 4144503943. The next prime is 4144504027. The reversal of 4144504021 is 1204054414.

4144504021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4144504021 - 2⁷ = 4144503893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144504027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12870970 + ... + 12871291.

It is an arithmetic number, because the mean of its divisors is an integer number (617814288).

Almost surely, 2^4144504021 is an apocalyptic number.

It is an amenable number.

4144504021 is a deficient number, since it is larger than the sum of its proper divisors (798010283).

4144504021 is a wasteful number, since it uses less digits than its factorization.

4144504021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25742291.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4144504021 is about 64377.8224313311. The cubic root of 4144504021 is about 1606.2908609852.

Adding to 4144504021 its reverse (1204054414), we get a palindrome (5348558435).

The spelling of 4144504021 in words is "four billion, one hundred forty-four million, five hundred four thousand, twenty-one".