4380999980 has 96 divisors (see below), whose sum is σ = 11325726720. Its totient is φ = 1390371840.

The previous prime is 4380999971. The next prime is 4381000007. The reversal of 4380999980 is 899990834.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 77876 + ... + 121764.

It is an arithmetic number, because the mean of its divisors is an integer number (117976320).

Almost surely, 2^4380999980 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 4380999980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5662863360).

4380999980 is an abundant number, since it is smaller than the sum of its proper divisors (6944726740).

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

4380999980 is a wasteful number, since it uses less digits than its factorization.

4380999980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43959 (or 43957 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 59.

The square root of 4380999980 is about 66189.1228224094. The cubic root of 4380999980 is about 1636.2804833709.

The spelling of 4380999980 in words is "four billion, three hundred eighty million, nine hundred ninety-nine thousand, nine hundred eighty".