384445568 has 64 divisors (see below), whose sum is σ = 828240000. Its totient is φ = 176698368.

The previous prime is 384445469. The next prime is 384445591. The reversal of 384445568 is 865544483.

It is a tau number, because it is divible by the number of its divisors (64).

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, 770183 + ... + 770681.

It is an arithmetic number, because the mean of its divisors is an integer number (12941250).

Almost surely, 2^384445568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 384445568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414120000).

384445568 is an abundant number, since it is smaller than the sum of its proper divisors (443794432).

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

384445568 is a wasteful number, since it uses less digits than its factorization.

384445568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989 (or 977 counting only the distinct ones).

The product of its digits is 1843200, while the sum is 47.

The square root of 384445568 is about 19607.2835446423. The cubic root of 384445568 is about 727.1292572145.

The spelling of 384445568 in words is "three hundred eighty-four million, four hundred forty-five thousand, five hundred sixty-eight".