440302112213 has 4 divisors (see below), whose sum is σ = 440312433120. Its totient is φ = 440291791308.

The previous prime is 440302112207. The next prime is 440302112281. The reversal of 440302112213 is 312211203044.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 440302112213 - 2⁶ = 440302112149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440302142213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5096195 + ... + 5181872.

It is an arithmetic number, because the mean of its divisors is an integer number (110078108280).

Almost surely, 2^440302112213 is an apocalyptic number.

It is an amenable number.

440302112213 is a deficient number, since it is larger than the sum of its proper divisors (10320907).

440302112213 is a wasteful number, since it uses less digits than its factorization.

440302112213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10320906.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 440302112213 its reverse (312211203044), we get a palindrome (752513315257).

The spelling of 440302112213 in words is "four hundred forty billion, three hundred two million, one hundred twelve thousand, two hundred thirteen".