4004014021 has 8 divisors (see below), whose sum is σ = 4733809920. Its totient is φ = 3313666608.

The previous prime is 4004014019. The next prime is 4004014051. The reversal of 4004014021 is 1204104004.

4004014021 is digitally balanced in base 3, 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 not a de Polignac number, because 4004014021 - 2¹ = 4004014019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4004013986 and 4004014004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4004014051) 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, 9861901 + ... + 9862306.

It is an arithmetic number, because the mean of its divisors is an integer number (591726240).

Almost surely, 2^4004014021 is an apocalyptic number.

It is an amenable number.

4004014021 is a deficient number, since it is larger than the sum of its proper divisors (729795899).

4004014021 is a wasteful number, since it uses less digits than its factorization.

4004014021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19724243.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 4004014021 is about 63277.2788684849. The cubic root of 4004014021 is about 1587.9318628804.

Adding to 4004014021 its reverse (1204104004), we get a palindrome (5208118025).

The spelling of 4004014021 in words is "four billion, four million, fourteen thousand, twenty-one".