4421381856 has 48 divisors (see below), whose sum is σ = 11633932800. Its totient is φ = 1470263168.

The previous prime is 4421381837. The next prime is 4421381869. The reversal of 4421381856 is 6581831244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14736 + ... + 95183.

It is an arithmetic number, because the mean of its divisors is an integer number (242373600).

Almost surely, 2^4421381856 is an apocalyptic number.

It is an amenable number.

4421381856 is an abundant number, since it is smaller than the sum of its proper divisors (7212550944).

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

4421381856 is a wasteful number, since it uses less digits than its factorization.

4421381856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110351 (or 110343 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 4421381856 is about 66493.4722811194. The cubic root of 4421381856 is about 1641.2925879418.

The spelling of 4421381856 in words is "four billion, four hundred twenty-one million, three hundred eighty-one thousand, eight hundred fifty-six".