440025 has 12 divisors (see below), whose sum is σ = 727632. Its totient is φ = 234640.

The previous prime is 440023. The next prime is 440039. The reversal of 440025 is 520044.

It is not a de Polignac number, because 440025 - 2¹ = 440023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

440025 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 439986 and 440013.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 440025.

It is not an unprimeable number, because it can be changed into a prime (440023) 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, 2859 + ... + 3008.

It is an arithmetic number, because the mean of its divisors is an integer number (60636).

2⁴⁴⁰⁰²⁵ is an apocalyptic number.

It is an amenable number.

440025 is a deficient number, since it is larger than the sum of its proper divisors (287607).

440025 is a wasteful number, since it uses less digits than its factorization.

440025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5880 (or 5875 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 440025 is about 663.3438022624. The cubic root of 440025 is about 76.0604897002.

Adding to 440025 its reverse (520044), we get a palindrome (960069).

The spelling of 440025 in words is "four hundred forty thousand, twenty-five".