4044020401 has 16 divisors (see below), whose sum is σ = 4652674560. Its totient is φ = 3489488640.

The previous prime is 4044020369. The next prime is 4044020417. The reversal of 4044020401 is 1040204404.

4044020401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4044020401 - 2⁵ = 4044020369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4044020801) 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, 191926 + ... + 211951.

It is an arithmetic number, because the mean of its divisors is an integer number (290792160).

Almost surely, 2^4044020401 is an apocalyptic number.

It is an amenable number.

4044020401 is a deficient number, since it is larger than the sum of its proper divisors (608654159).

4044020401 is a wasteful number, since it uses less digits than its factorization.

4044020401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403944.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 4044020401 is about 63592.6127863921. The cubic root of 4044020401 is about 1593.2029893384.

Adding to 4044020401 its reverse (1040204404), we get a palindrome (5084224805).

The spelling of 4044020401 in words is "four billion, forty-four million, twenty thousand, four hundred one".