11440402213 has 8 divisors (see below), whose sum is σ = 11458991360. Its totient is φ = 11421829440.

The previous prime is 11440402187. The next prime is 11440402217. The reversal of 11440402213 is 31220404411.

It is a happy number.

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 11440402213 - 2⁹ = 11440401701 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 (11440402217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2365708 + ... + 2370538.

It is an arithmetic number, because the mean of its divisors is an integer number (1432373920).

Almost surely, 2^11440402213 is an apocalyptic number.

It is an amenable number.

11440402213 is a deficient number, since it is larger than the sum of its proper divisors (18589147).

11440402213 is a wasteful number, since it uses less digits than its factorization.

11440402213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8187.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 11440402213 its reverse (31220404411), we get a palindrome (42660806624).

The spelling of 11440402213 in words is "eleven billion, four hundred forty million, four hundred two thousand, two hundred thirteen".