439868880 has 480 divisors, whose sum is σ = 1784135808. Its totient is φ = 100362240.

The previous prime is 439868861. The next prime is 439868893. The reversal of 439868880 is 88868934.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 25874632 + ... + 25874648.

Almost surely, 2^439868880 is an apocalyptic number.

439868880 is a gapful number since it is divisible by the number (40) 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 439868880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (892067904).

439868880 is an abundant number, since it is smaller than the sum of its proper divisors (1344266928).

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

439868880 is a wasteful number, since it uses less digits than its factorization.

439868880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 38 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The square root of 439868880 is about 20973.0512801547. The cubic root of 439868880 is about 760.5149326573.

Adding to 439868880 its sum of digits (54), we get a palindrome (439868934).

The spelling of 439868880 in words is "four hundred thirty-nine million, eight hundred sixty-eight thousand, eight hundred eighty".