440132045 has 8 divisors (see below), whose sum is σ = 536041824. Its totient is φ = 346850064.

The previous prime is 440132029. The next prime is 440132059. The reversal of 440132045 is 540231044.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440132045 - 2⁴ = 440132029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 440132045.

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, 656579 + ... + 657248.

It is an arithmetic number, because the mean of its divisors is an integer number (67005228).

Almost surely, 2^440132045 is an apocalyptic number.

It is an amenable number.

440132045 is a deficient number, since it is larger than the sum of its proper divisors (95909779).

440132045 is a wasteful number, since it uses less digits than its factorization.

440132045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313899.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 440132045 is about 20979.3242264855. The cubic root of 440132045 is about 760.6665695209. Note that the first 3 decimals are identical.

Adding to 440132045 its reverse (540231044), we get a palindrome (980363089).

The spelling of 440132045 in words is "four hundred forty million, one hundred thirty-two thousand, forty-five".