440945728 has 56 divisors (see below), whose sum is σ = 946294272. Its totient is φ = 203065344.

The previous prime is 440945663. The next prime is 440945737. The reversal of 440945728 is 827549044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46825 + ... + 55447.

It is an arithmetic number, because the mean of its divisors is an integer number (16898112).

Almost surely, 2^440945728 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 440945728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (473147136).

440945728 is an abundant number, since it is smaller than the sum of its proper divisors (505348544).

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

440945728 is a wasteful number, since it uses less digits than its factorization.

440945728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8699 (or 8689 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 440945728 is about 20998.7077697653. The cubic root of 440945728 is about 761.1350353197.

The spelling of 440945728 in words is "four hundred forty million, nine hundred forty-five thousand, seven hundred twenty-eight".