440012304 has 80 divisors (see below), whose sum is σ = 1279084800. Its totient is φ = 144802944.

The previous prime is 440012297. The next prime is 440012327. The reversal of 440012304 is 403210044.

It is a super-2 number, since 2×440012304² = 387221655342776832, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 27682 + ... + 40574.

It is an arithmetic number, because the mean of its divisors is an integer number (15988560).

Almost surely, 2^440012304 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 440012304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639542400).

440012304 is an abundant number, since it is smaller than the sum of its proper divisors (839072496).

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

440012304 is a wasteful number, since it uses less digits than its factorization.

440012304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12977 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 440012304 is about 20976.4702464452. The cubic root of 440012304 is about 760.5975817115.

Adding to 440012304 its reverse (403210044), we get a palindrome (843222348).

The spelling of 440012304 in words is "four hundred forty million, twelve thousand, three hundred four".