440516 has 6 divisors (see below), whose sum is σ = 770910. Its totient is φ = 220256.

The previous prime is 440509. The next prime is 440527. The reversal of 440516 is 615044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 348100 + 92416 = 590^2 + 304^2 .

It is a plaindrome in base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 440516.

It is an unprimeable number.

440516 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55061 + ... + 55068.

It is an arithmetic number, because the mean of its divisors is an integer number (128485).

2⁴⁴⁰⁵¹⁶ is an apocalyptic number.

It is an amenable number.

440516 is a deficient number, since it is larger than the sum of its proper divisors (330394).

440516 is a wasteful number, since it uses less digits than its factorization.

440516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110133 (or 110131 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 440516 is about 663.7137937394. The cubic root of 440516 is about 76.0887697740.

The spelling of 440516 in words is "four hundred forty thousand, five hundred sixteen".