440545313 has 12 divisors (see below), whose sum is σ = 479738160. Its totient is φ = 404357616.

The previous prime is 440545249. The next prime is 440545321. The reversal of 440545313 is 313545044.

It is not a de Polignac number, because 440545313 - 2⁶ = 440545249 is a prime.

It is a super-3 number, since 3×440545313³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440545333) 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, 22970 + ... + 37532.

It is an arithmetic number, because the mean of its divisors is an integer number (39978180).

Almost surely, 2^440545313 is an apocalyptic number.

It is an amenable number.

440545313 is a deficient number, since it is larger than the sum of its proper divisors (39192847).

440545313 is a wasteful number, since it uses less digits than its factorization.

440545313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14768 (or 14755 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 440545313 is about 20989.1713271391. The cubic root of 440545313 is about 760.9045744682.

The spelling of 440545313 in words is "four hundred forty million, five hundred forty-five thousand, three hundred thirteen".