439181952 has 128 divisors (see below), whose sum is σ = 1282115520. Its totient is φ = 132096000.

The previous prime is 439181947. The next prime is 439181989. The reversal of 439181952 is 259181934.

It is a tau number, because it is divible by the number of its divisors (128).

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 15 ways as a sum of consecutive naturals, for example, 730452 + ... + 731052.

Almost surely, 2^439181952 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 439181952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641057760).

439181952 is an abundant number, since it is smaller than the sum of its proper divisors (842933568).

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

439181952 is a wasteful number, since it uses less digits than its factorization.

439181952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802 (or 790 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 439181952 is about 20956.6684375165. The cubic root of 439181952 is about 760.1188364496.

The spelling of 439181952 in words is "four hundred thirty-nine million, one hundred eighty-one thousand, nine hundred fifty-two".