4478816852 has 24 divisors (see below), whose sum is σ = 7906735200. Its totient is φ = 2219822496.

The previous prime is 4478816831. The next prime is 4478816861. The reversal of 4478816852 is 2586188744.

It is a junction number, because it is equal to n+sod(n) for n = 4478816794 and 4478816803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244799 + ... + 262457.

It is an arithmetic number, because the mean of its divisors is an integer number (329447300).

Almost surely, 2^4478816852 is an apocalyptic number.

It is an amenable number.

4478816852 is a deficient number, since it is larger than the sum of its proper divisors (3427918348).

4478816852 is a wasteful number, since it uses less digits than its factorization.

4478816852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215 (or 18213 counting only the distinct ones).

The product of its digits is 3440640, while the sum is 53.

The square root of 4478816852 is about 66923.9632119916. The cubic root of 4478816852 is about 1648.3689854063.

The spelling of 4478816852 in words is "four billion, four hundred seventy-eight million, eight hundred sixteen thousand, eight hundred fifty-two".