439481856 has 240 divisors, whose sum is σ = 1381786560. Its totient is φ = 122757120.

The previous prime is 439481839. The next prime is 439481857. The reversal of 439481856 is 658184934.

It is a Harshad number since it is a multiple of its sum of digits (48).

Its product of digits (829440) is a multiple of the sum of its prime divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (439481857) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11877870 + ... + 11877906.

It is an arithmetic number, because the mean of its divisors is an integer number (5757444).

Almost surely, 2^439481856 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 439481856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690893280).

439481856 is an abundant number, since it is smaller than the sum of its proper divisors (942304704).

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

439481856 is a wasteful number, since it uses less digits than its factorization.

439481856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125 (or 72 counting only the distinct ones).

The product of its digits is 829440, while the sum is 48.

The square root of 439481856 is about 20963.8225521969. The cubic root of 439481856 is about 760.2918177607.

The spelling of 439481856 in words is "four hundred thirty-nine million, four hundred eighty-one thousand, eight hundred fifty-six".