440424325 has 12 divisors (see below), whose sum is σ = 595774368. Its totient is φ = 320308400.

The previous prime is 440424323. The next prime is 440424343. The reversal of 440424325 is 523424044.

It is not a de Polignac number, because 440424325 - 2¹ = 440424323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 440424293 and 440424302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440424323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 800497 + ... + 801046.

It is an arithmetic number, because the mean of its divisors is an integer number (49647864).

Almost surely, 2^440424325 is an apocalyptic number.

It is an amenable number.

440424325 is a deficient number, since it is larger than the sum of its proper divisors (155350043).

440424325 is a wasteful number, since it uses less digits than its factorization.

440424325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601564 (or 1601559 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 440424325 is about 20986.2889763769. The cubic root of 440424325 is about 760.8349117503.

Adding to 440424325 its reverse (523424044), we get a palindrome (963848369).

The spelling of 440424325 in words is "four hundred forty million, four hundred twenty-four thousand, three hundred twenty-five".