4389446880 has 1152 divisors, whose sum is σ = 20341601280. Its totient is φ = 836075520.

The previous prime is 4389446833. The next prime is 4389446917. The reversal of 4389446880 is 886449834.

4389446880 is a `hidden beast` number, since 43 + 89 + 446 + 8 + 80 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 102080139 + ... + 102080181.

It is an arithmetic number, because the mean of its divisors is an integer number (17657640).

Almost surely, 2^4389446880 is an apocalyptic number.

4389446880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4389446880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10170800640).

4389446880 is an abundant number, since it is smaller than the sum of its proper divisors (15952154400).

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

4389446880 is a wasteful number, since it uses less digits than its factorization.

4389446880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 54.

The square root of 4389446880 is about 66252.9009176202. The cubic root of 4389446880 is about 1637.3314324857.

The spelling of 4389446880 in words is "four billion, three hundred eighty-nine million, four hundred forty-six thousand, eight hundred eighty".