4448121288 has 64 divisors (see below), whose sum is σ = 11996208000. Its totient is φ = 1366310400.

The previous prime is 4448121259. The next prime is 4448121311. The reversal of 4448121288 is 8821218444.

It is a nude number because it is divisible by every one of its digits.

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, 174988 + ... + 198788.

It is an arithmetic number, because the mean of its divisors is an integer number (187440750).

Almost surely, 2^4448121288 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 4448121288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5998104000).

4448121288 is an abundant number, since it is smaller than the sum of its proper divisors (7548086712).

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

4448121288 is a wasteful number, since it uses less digits than its factorization.

4448121288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24422 (or 24418 counting only the distinct ones).

The product of its digits is 131072, while the sum is 42.

The square root of 4448121288 is about 66694.2372922879. The cubic root of 4448121288 is about 1644.5946517137.

The spelling of 4448121288 in words is "four billion, four hundred forty-eight million, one hundred twenty-one thousand, two hundred eighty-eight".