440120132 has 6 divisors (see below), whose sum is σ = 770210238. Its totient is φ = 220060064.

The previous prime is 440120129. The next prime is 440120147. The reversal of 440120132 is 231021044.

It can be written as a sum of positive squares in only one way, i.e., 435306496 + 4813636 = 20864^2 + 2194^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 440120132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55015013 + ... + 55015020.

It is an arithmetic number, because the mean of its divisors is an integer number (128368373).

Almost surely, 2^440120132 is an apocalyptic number.

It is an amenable number.

440120132 is a deficient number, since it is larger than the sum of its proper divisors (330090106).

440120132 is a wasteful number, since it uses less digits than its factorization.

440120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110030037 (or 110030035 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 440120132 is about 20979.0403021683. The cubic root of 440120132 is about 760.6597065028.

Adding to 440120132 its reverse (231021044), we get a palindrome (671141176).

The spelling of 440120132 in words is "four hundred forty million, one hundred twenty thousand, one hundred thirty-two".