440265 has 24 divisors (see below), whose sum is σ = 820800. Its totient is φ = 200928.

The previous prime is 440261. The next prime is 440269. The reversal of 440265 is 562044.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (440261) and next prime (440269).

It is not a de Polignac number, because 440265 - 2² = 440261 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (440261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 436 + ... + 1034.

It is an arithmetic number, because the mean of its divisors is an integer number (34200).

2⁴⁴⁰²⁶⁵ is an apocalyptic number.

It is an amenable number.

440265 is a deficient number, since it is larger than the sum of its proper divisors (380535).

440265 is a wasteful number, since it uses less digits than its factorization.

440265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 440265 is about 663.5246792697. The cubic root of 440265 is about 76.0743155811.

The spelling of 440265 in words is "four hundred forty thousand, two hundred sixty-five".