440320010213 has 8 divisors (see below), whose sum is σ = 449327857176. Its totient is φ = 431338086400.

The previous prime is 440320010197. The next prime is 440320010243. The reversal of 440320010213 is 312010023044.

It can be written as a sum of positive squares in 4 ways, for example, as 54651685729 + 385668324484 = 233777^2 + 621022^2 .

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 440320010213 - 2⁴ = 440320010197 is a prime.

It is a super-2 number, since 2×440320010213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440320010243) 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, 6446468 + ... + 6514413.

It is an arithmetic number, because the mean of its divisors is an integer number (56165982147).

Almost surely, 2^440320010213 is an apocalyptic number.

It is an amenable number.

440320010213 is a deficient number, since it is larger than the sum of its proper divisors (9007846963).

440320010213 is a wasteful number, since it uses less digits than its factorization.

440320010213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12961575.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 440320010213 its reverse (312010023044), we get a palindrome (752330033257).

The spelling of 440320010213 in words is "four hundred forty billion, three hundred twenty million, ten thousand, two hundred thirteen".