440645132 has 12 divisors (see below), whose sum is σ = 804656496. Its totient is φ = 210743280.

The previous prime is 440645119. The next prime is 440645137. The reversal of 440645132 is 231546044.

It is a junction number, because it is equal to n+sod(n) for n = 440645095 and 440645104.

It is not an unprimeable number, because it can be changed into a prime (440645137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2394719 + ... + 2394902.

It is an arithmetic number, because the mean of its divisors is an integer number (67054708).

Almost surely, 2^440645132 is an apocalyptic number.

It is an amenable number.

440645132 is a deficient number, since it is larger than the sum of its proper divisors (364011364).

440645132 is a wasteful number, since it uses less digits than its factorization.

440645132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789648 (or 4789646 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 440645132 is about 20991.5490614676. The cubic root of 440645132 is about 760.9620388544.

The spelling of 440645132 in words is "four hundred forty million, six hundred forty-five thousand, one hundred thirty-two".