440912865 has 16 divisors (see below), whose sum is σ = 710539200. Its totient is φ = 233460672.

The previous prime is 440912837. The next prime is 440912869. The reversal of 440912865 is 568219044.

It is not a de Polignac number, because 440912865 - 2¹⁷ = 440781793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (440912869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103650 + ... + 107819.

It is an arithmetic number, because the mean of its divisors is an integer number (44408700).

Almost surely, 2^440912865 is an apocalyptic number.

It is an amenable number.

440912865 is a deficient number, since it is larger than the sum of its proper divisors (269626335).

440912865 is a wasteful number, since it uses less digits than its factorization.

440912865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211616.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 440912865 is about 20997.9252546531. The cubic root of 440912865 is about 761.1161261127.

The spelling of 440912865 in words is "four hundred forty million, nine hundred twelve thousand, eight hundred sixty-five".