4448318220 has 72 divisors (see below), whose sum is σ = 14079907296. Its totient is φ = 1134642432.

The previous prime is 4448318191. The next prime is 4448318257. The reversal of 4448318220 is 228138444.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 533097 + ... + 541376.

It is an arithmetic number, because the mean of its divisors is an integer number (195554268).

Almost surely, 2^4448318220 is an apocalyptic number.

It is an amenable number.

4448318220 is an abundant number, since it is smaller than the sum of its proper divisors (9631589076).

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

4448318220 is a wasteful number, since it uses less digits than its factorization.

4448318220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074511 (or 1074506 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 36.

The square root of 4448318220 is about 66695.7136553767. The cubic root of 4448318220 is about 1644.6189217754.

The spelling of 4448318220 in words is "four billion, four hundred forty-eight million, three hundred eighteen thousand, two hundred twenty".