4458994988 has 48 divisors (see below), whose sum is σ = 9343186944. Its totient is φ = 1821726720.

The previous prime is 4458994937. The next prime is 4458995003. The reversal of 4458994988 is 8894998544.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19820 + ... + 96492.

It is an arithmetic number, because the mean of its divisors is an integer number (194649728).

Almost surely, 2^4458994988 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 4458994988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4671593472).

4458994988 is an abundant number, since it is smaller than the sum of its proper divisors (4884191956).

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

4458994988 is a wasteful number, since it uses less digits than its factorization.

4458994988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76782 (or 76780 counting only the distinct ones).

The product of its digits is 119439360, while the sum is 68.

The square root of 4458994988 is about 66775.7065705785. The cubic root of 4458994988 is about 1645.9336647173.

The spelling of 4458994988 in words is "four billion, four hundred fifty-eight million, nine hundred ninety-four thousand, nine hundred eighty-eight".