4020144404244 has 12 divisors (see below), whose sum is σ = 9380336943264. Its totient is φ = 1340048134744.

The previous prime is 4020144404209. The next prime is 4020144404257. The reversal of 4020144404244 is 4424044410204.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×4020144404244² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 167506016832 + ... + 167506016855.

It is an arithmetic number, because the mean of its divisors is an integer number (781694745272).

Almost surely, 2^{4020144404244} is an apocalyptic number.

It is an amenable number.

4020144404244 is an abundant number, since it is smaller than the sum of its proper divisors (5360192539020).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020144404244 is a wasteful number, since it uses less digits than its factorization.

4020144404244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335012033694 (or 335012033692 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 33.

Adding to 4020144404244 its reverse (4424044410204), we get a palindrome (8444188814448).

The spelling of 4020144404244 in words is "four trillion, twenty billion, one hundred forty-four million, four hundred four thousand, two hundred forty-four".