440143616 has 72 divisors (see below), whose sum is σ = 965790000. Its totient is φ = 198533120.

The previous prime is 440143603. The next prime is 440143631. The reversal of 440143616 is 616341044.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 419060 + ... + 420108.

It is an arithmetic number, because the mean of its divisors is an integer number (13413750).

Almost surely, 2^440143616 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 440143616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482895000).

440143616 is an abundant number, since it is smaller than the sum of its proper divisors (525646384).

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

440143616 is a wasteful number, since it uses less digits than its factorization.

440143616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1225 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 440143616 is about 20979.5999961868. The cubic root of 440143616 is about 760.6732353960.

The spelling of 440143616 in words is "four hundred forty million, one hundred forty-three thousand, six hundred sixteen".