4319448820 has 48 divisors (see below), whose sum is σ = 9408400848. Its totient is φ = 1664409600.

The previous prime is 4319448811. The next prime is 4319448863. The reversal of 4319448820 is 288449134.

It can be written as a sum of positive squares in 8 ways, for example, as 1286083044 + 3033365776 = 35862^2 + 55076^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45844 + ... + 103636.

It is an arithmetic number, because the mean of its divisors is an integer number (196008351).

Almost surely, 2^4319448820 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 4319448820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4704200424).

4319448820 is an abundant number, since it is smaller than the sum of its proper divisors (5088952028).

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

4319448820 is a wasteful number, since it uses less digits than its factorization.

4319448820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57940 (or 57938 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 4319448820 is about 65722.5137985455. The cubic root of 4319448820 is about 1628.5813016081.

The spelling of 4319448820 in words is "four billion, three hundred nineteen million, four hundred forty-eight thousand, eight hundred twenty".