440253 has 12 divisors (see below), whose sum is σ = 693888. Its totient is φ = 266760.

The previous prime is 440239. The next prime is 440261. The reversal of 440253 is 352044.

It is a happy number.

It is not a de Polignac number, because 440253 - 2⁵ = 440221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440203) 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, 2125 + ... + 2322.

It is an arithmetic number, because the mean of its divisors is an integer number (57824).

2⁴⁴⁰²⁵³ is an apocalyptic number.

It is an amenable number.

440253 is a deficient number, since it is larger than the sum of its proper divisors (253635).

440253 is a wasteful number, since it uses less digits than its factorization.

440253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4464 (or 4461 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 440253 is about 663.5156365904. The cubic root of 440253 is about 76.0736244064.

Adding to 440253 its reverse (352044), we get a palindrome (792297).

Subtracting from 440253 its reverse (352044), we obtain a square (88209 = 297²).

The spelling of 440253 in words is "four hundred forty thousand, two hundred fifty-three".