4144421105864 has 64 divisors (see below), whose sum is σ = 8761416148800. Its totient is φ = 1824599460096.

The previous prime is 4144421105861. The next prime is 4144421105897. The reversal of 4144421105864 is 4685011244414.

It is not an unprimeable number, because it can be changed into a prime (4144421105861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8027654 + ... + 8528309.

It is an arithmetic number, because the mean of its divisors is an integer number (136897127325).

Almost surely, 2^{4144421105864} is an apocalyptic number.

It is an amenable number.

4144421105864 is an abundant number, since it is smaller than the sum of its proper divisors (4616995042936).

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

4144421105864 is a wasteful number, since it uses less digits than its factorization.

4144421105864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16556094 (or 16556090 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 44.

The spelling of 4144421105864 in words is "four trillion, one hundred forty-four billion, four hundred twenty-one million, one hundred five thousand, eight hundred sixty-four".