4440513345 has 8 divisors (see below), whose sum is σ = 7104821376. Its totient is φ = 2368273776.

The previous prime is 4440513307. The next prime is 4440513349. The reversal of 4440513345 is 5433150444.

It is a happy number.

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

It is not a de Polignac number, because 4440513345 - 2¹⁷ = 4440382273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4440513349) 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, 148017097 + ... + 148017126.

It is an arithmetic number, because the mean of its divisors is an integer number (888102672).

Almost surely, 2^4440513345 is an apocalyptic number.

It is an amenable number.

4440513345 is a deficient number, since it is larger than the sum of its proper divisors (2664308031).

4440513345 is a wasteful number, since it uses less digits than its factorization.

4440513345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296034231.

The product of its (nonzero) digits is 57600, while the sum is 33.

The square root of 4440513345 is about 66637.1768984851. The cubic root of 4440513345 is about 1643.6564936520.

Adding to 4440513345 its reverse (5433150444), we get a palindrome (9873663789).

The spelling of 4440513345 in words is "four billion, four hundred forty million, five hundred thirteen thousand, three hundred forty-five".