440045365 has 8 divisors (see below), whose sum is σ = 528394680. Its totient is φ = 351809472.

The previous prime is 440045363. The next prime is 440045369. The reversal of 440045365 is 563540044.

It can be written as a sum of positive squares in 4 ways, for example, as 52388644 + 387656721 = 7238^2 + 19689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 440045365 - 2¹ = 440045363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440045363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19570 + ... + 35539.

It is an arithmetic number, because the mean of its divisors is an integer number (66049335).

Almost surely, 2^440045365 is an apocalyptic number.

It is an amenable number.

440045365 is a deficient number, since it is larger than the sum of its proper divisors (88349315).

440045365 is a wasteful number, since it uses less digits than its factorization.

440045365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56711.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 440045365 is about 20977.2582812912. The cubic root of 440045365 is about 760.6166307901.

The spelling of 440045365 in words is "four hundred forty million, forty-five thousand, three hundred sixty-five".