439995881472 has 192 divisors, whose sum is σ = 1341849600000. Its totient is φ = 125597122560.

The previous prime is 439995881471. The next prime is 439995881489. The reversal of 439995881472 is 274188599934.

It is a tau number, because it is divible by the number of its divisors (192).

It is a junction number, because it is equal to n+sod(n) for n = 439995881397 and 439995881406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439995881471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53712897 + ... + 53721087.

It is an arithmetic number, because the mean of its divisors is an integer number (6988800000).

Almost surely, 2^439995881472 is an apocalyptic number.

439995881472 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 439995881472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670924800000).

439995881472 is an abundant number, since it is smaller than the sum of its proper divisors (901853718528).

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

439995881472 is a wasteful number, since it uses less digits than its factorization.

439995881472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9472 (or 9452 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 69.

The spelling of 439995881472 in words is "four hundred thirty-nine billion, nine hundred ninety-five million, eight hundred eighty-one thousand, four hundred seventy-two".