440188028 has 24 divisors (see below), whose sum is σ = 882696192. Its totient is φ = 188154864.

The previous prime is 440188009. The next prime is 440188069. The reversal of 440188028 is 820881044.

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 7 ways as a sum of consecutive naturals, for example, 9800 + ... + 31247.

It is an arithmetic number, because the mean of its divisors is an integer number (36779008).

Almost surely, 2^440188028 is an apocalyptic number.

It is an amenable number.

440188028 is an abundant number, since it is smaller than the sum of its proper divisors (442508164).

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

440188028 is a wasteful number, since it uses less digits than its factorization.

440188028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41441 (or 41439 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 440188028 is about 20980.6584262744. The cubic root of 440188028 is about 760.6988193814.

It can be divided in two parts, 4401 and 88028, that added together give a palindrome (92429).

The spelling of 440188028 in words is "four hundred forty million, one hundred eighty-eight thousand, twenty-eight".