4400323013 has 4 divisors (see below), whose sum is σ = 4519250700. Its totient is φ = 4281395328.

The previous prime is 4400322973. The next prime is 4400323019. The reversal of 4400323013 is 3103230044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4232413249 + 167909764 = 65057^2 + 12958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4400323013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400323019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59463788 + ... + 59463861.

It is an arithmetic number, because the mean of its divisors is an integer number (1129812675).

Almost surely, 2^4400323013 is an apocalyptic number.

It is an amenable number.

4400323013 is a deficient number, since it is larger than the sum of its proper divisors (118927687).

4400323013 is a wasteful number, since it uses less digits than its factorization.

4400323013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118927686.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 4400323013 is about 66334.9305645223. The cubic root of 4400323013 is about 1638.6826389203.

Adding to 4400323013 its reverse (3103230044), we get a palindrome (7503553057).

The spelling of 4400323013 in words is "four billion, four hundred million, three hundred twenty-three thousand, thirteen".