4478364672 has 176 divisors, whose sum is σ = 13078856160. Its totient is φ = 1356070912.

The previous prime is 4478364637. The next prime is 4478364679. The reversal of 4478364672 is 2764638744.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (4478364679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1513018 + ... + 1515974.

Almost surely, 2^4478364672 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 4478364672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6539428080).

4478364672 is an abundant number, since it is smaller than the sum of its proper divisors (8600491488).

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

4478364672 is a wasteful number, since it uses less digits than its factorization.

4478364672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3026 (or 3008 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 51.

The square root of 4478364672 is about 66920.5848151374. The cubic root of 4478364672 is about 1648.3135105940.

The spelling of 4478364672 in words is "four billion, four hundred seventy-eight million, three hundred sixty-four thousand, six hundred seventy-two".