440728316 has 12 divisors (see below), whose sum is σ = 881456688. Its totient is φ = 188883552.

The previous prime is 440728307. The next prime is 440728331. The reversal of 440728316 is 613827044.

440728316 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 7870121 + ... + 7870176.

It is an arithmetic number, because the mean of its divisors is an integer number (73454724).

Almost surely, 2^440728316 is an apocalyptic number.

It is an amenable number.

440728316 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

440728316 is a wasteful number, since it uses less digits than its factorization.

440728316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15740308 (or 15740306 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 440728316 is about 20993.5303367490. The cubic root of 440728316 is about 761.0099200773.

It can be divided in two parts, 4407 and 28316, that added together give a palindrome (32723).

The spelling of 440728316 in words is "four hundred forty million, seven hundred twenty-eight thousand, three hundred sixteen".