4021444402013 has 32 divisors (see below), whose sum is σ = 4328135710080. Its totient is φ = 3725178336000.

The previous prime is 4021444402007. The next prime is 4021444402043. The reversal of 4021444402013 is 3102044441204.

It is a cyclic number.

It is not a de Polignac number, because 4021444402013 - 2¹² = 4021444397917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4021444402043) 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, 124637303 + ... + 124669563.

It is an arithmetic number, because the mean of its divisors is an integer number (135254240940).

Almost surely, 2^{4021444402013} is an apocalyptic number.

It is an amenable number.

4021444402013 is a deficient number, since it is larger than the sum of its proper divisors (306691308067).

4021444402013 is a wasteful number, since it uses less digits than its factorization.

4021444402013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33069.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4021444402013 its reverse (3102044441204), we get a palindrome (7123488843217).

The spelling of 4021444402013 in words is "four trillion, twenty-one billion, four hundred forty-four million, four hundred two thousand, thirteen".