439045056 has 112 divisors (see below), whose sum is σ = 1322405280. Its totient is φ = 142755840.

The previous prime is 439045021. The next prime is 439045063. The reversal of 439045056 is 650540934.

It is a happy number.

It is a super-2 number, since 2×439045056² = 385521122396086272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 439045056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67750 + ... + 73946.

It is an arithmetic number, because the mean of its divisors is an integer number (11807190).

Almost surely, 2^439045056 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 439045056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (661202640).

439045056 is an abundant number, since it is smaller than the sum of its proper divisors (883360224).

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

439045056 is a wasteful number, since it uses less digits than its factorization.

439045056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6259 (or 6243 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 439045056 is about 20953.4020149474. The cubic root of 439045056 is about 760.0398501727.

The spelling of 439045056 in words is "four hundred thirty-nine million, forty-five thousand, fifty-six".