4478504448 has 160 divisors (see below), whose sum is σ = 13197583872. Its totient is φ = 1338163200.

The previous prime is 4478504447. The next prime is 4478504449. The reversal of 4478504448 is 8444058744.

It is an interprime number because it is at equal distance from previous prime (4478504447) and next prime (4478504449).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 4478504397 and 4478504406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4478504441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1231593 + ... + 1235223.

Almost surely, 2^4478504448 is an apocalyptic number.

4478504448 is a gapful number since it is divisible by the number (48) 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 4478504448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6598791936).

4478504448 is an abundant number, since it is smaller than the sum of its proper divisors (8719079424).

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

4478504448 is a wasteful number, since it uses less digits than its factorization.

4478504448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3736 (or 3720 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 48.

The square root of 4478504448 is about 66921.6291493266. The cubic root of 4478504448 is about 1648.3306591359.

The spelling of 4478504448 in words is "four billion, four hundred seventy-eight million, five hundred four thousand, four hundred forty-eight".