4449684480 has 352 divisors, whose sum is σ = 15249331200. Its totient is φ = 1104150528.

The previous prime is 4449684451. The next prime is 4449684487. The reversal of 4449684480 is 844869444.

It is not an unprimeable number, because it can be changed into a prime (4449684487) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23055264 + ... + 23055456.

Almost surely, 2^4449684480 is an apocalyptic number.

4449684480 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 4449684480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7624665600).

4449684480 is an abundant number, since it is smaller than the sum of its proper divisors (10799646720).

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

4449684480 is a wasteful number, since it uses less digits than its factorization.

4449684480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 51.

The square root of 4449684480 is about 66705.9553563248. The cubic root of 4449684480 is about 1644.7872810616.

The spelling of 4449684480 in words is "four billion, four hundred forty-nine million, six hundred eighty-four thousand, four hundred eighty".