4021404004443 has 16 divisors (see below), whose sum is σ = 6129763407360. Its totient is φ = 2297229013056.

The previous prime is 4021404004439. The next prime is 4021404004447. The reversal of 4021404004443 is 3444004041204.

4021404004443 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4021404004439) and next prime (4021404004447).

It is not a de Polignac number, because 4021404004443 - 2² = 4021404004439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4021404004443.

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, 29769855 + ... + 29904632.

It is an arithmetic number, because the mean of its divisors is an integer number (383110212960).

Almost surely, 2^{4021404004443} is an apocalyptic number.

4021404004443 is a deficient number, since it is larger than the sum of its proper divisors (2108359402917).

4021404004443 is a wasteful number, since it uses less digits than its factorization.

4021404004443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59677706.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 4021404004443 its reverse (3444004041204), we get a palindrome (7465408045647).

The spelling of 4021404004443 in words is "four trillion, twenty-one billion, four hundred four million, four thousand, four hundred forty-three".