440145365 has 48 divisors (see below), whose sum is σ = 619605504. Its totient is φ = 299228160.

The previous prime is 440145323. The next prime is 440145371. The reversal of 440145365 is 563541044.

It is not a de Polignac number, because 440145365 - 2⁶ = 440145301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 653669 + ... + 654341.

It is an arithmetic number, because the mean of its divisors is an integer number (12908448).

Almost surely, 2^440145365 is an apocalyptic number.

It is an amenable number.

440145365 is a deficient number, since it is larger than the sum of its proper divisors (179460139).

440145365 is a wasteful number, since it uses less digits than its factorization.

440145365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770 (or 759 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 440145365 is about 20979.6416794949. The cubic root of 440145365 is about 760.6742429578.

The spelling of 440145365 in words is "four hundred forty million, one hundred forty-five thousand, three hundred sixty-five".