4399432272 has 80 divisors (see below), whose sum is σ = 13177073280. Its totient is φ = 1402714368.

The previous prime is 4399432267. The next prime is 4399432283. The reversal of 4399432272 is 2722349934.

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, 211453 + ... + 231324.

It is an arithmetic number, because the mean of its divisors is an integer number (164713416).

Almost surely, 2^4399432272 is an apocalyptic number.

It is an amenable number.

4399432272 is an abundant number, since it is smaller than the sum of its proper divisors (8777641008).

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

4399432272 is a wasteful number, since it uses less digits than its factorization.

4399432272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442817 (or 442805 counting only the distinct ones).

The product of its digits is 653184, while the sum is 45.

The square root of 4399432272 is about 66328.2162582411. The cubic root of 4399432272 is about 1638.5720606507.

The spelling of 4399432272 in words is "four billion, three hundred ninety-nine million, four hundred thirty-two thousand, two hundred seventy-two".