4378447872 has 312 divisors, whose sum is σ = 13524192864. Its totient is φ = 1414692864.

The previous prime is 4378447847. The next prime is 4378447919. The reversal of 4378447872 is 2787448734.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 52752343 + ... + 52752425.

It is an arithmetic number, because the mean of its divisors is an integer number (43346772).

Almost surely, 2^4378447872 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 4378447872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6762096432).

4378447872 is an abundant number, since it is smaller than the sum of its proper divisors (9145744992).

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

4378447872 is an frugal number, since it uses more digits than its factorization.

4378447872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 141 counting only the distinct ones).

The product of its digits is 8429568, while the sum is 54.

The square root of 4378447872 is about 66169.8411060507. The cubic root of 4378447872 is about 1635.9626886755.

The spelling of 4378447872 in words is "four billion, three hundred seventy-eight million, four hundred forty-seven thousand, eight hundred seventy-two".