440414452 has 24 divisors (see below), whose sum is σ = 816683840. Its totient is φ = 207230400.

The previous prime is 440414423. The next prime is 440414477. The reversal of 440414452 is 254414044.

It is a self number, because there is not a number n which added to its sum of digits gives 440414452.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7713 + ... + 30664.

Almost surely, 2^440414452 is an apocalyptic number.

It is an amenable number.

440414452 is a deficient number, since it is larger than the sum of its proper divisors (376269388).

440414452 is a wasteful number, since it uses less digits than its factorization.

440414452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38551 (or 38549 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 440414452 is about 20986.0537500503. The cubic root of 440414452 is about 760.8292264912.

Adding to 440414452 its reverse (254414044), we get a palindrome (694828496).

The spelling of 440414452 in words is "four hundred forty million, four hundred fourteen thousand, four hundred fifty-two".