10440440213 has 16 divisors (see below), whose sum is σ = 12072666240. Its totient is φ = 8843510016.

The previous prime is 10440440189. The next prime is 10440440221. The reversal of 10440440213 is 31204404401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10440440213 - 2¹⁸ = 10440178069 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 (10440440233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533545 + ... + 1540337.

It is an arithmetic number, because the mean of its divisors is an integer number (754541640).

Almost surely, 2^10440440213 is an apocalyptic number.

It is an amenable number.

10440440213 is a deficient number, since it is larger than the sum of its proper divisors (1632226027).

10440440213 is an equidigital number, since it uses as much as digits as its factorization.

10440440213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9356.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10440440213 its reverse (31204404401), we get a palindrome (41644844614).

The spelling of 10440440213 in words is "ten billion, four hundred forty million, four hundred forty thousand, two hundred thirteen".