4440135213 has 24 divisors (see below), whose sum is σ = 6775527200. Its totient is φ = 2794142304.

The previous prime is 4440135199. The next prime is 4440135229. The reversal of 4440135213 is 3125310444.

It is a happy number.

4440135213 is a `hidden beast` number, since 4 + 440 + 1 + 3 + 5 + 213 = 666.

It is not a de Polignac number, because 4440135213 - 2¹⁴ = 4440118829 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 (4440135263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 498 + ... + 94236.

Almost surely, 2^4440135213 is an apocalyptic number.

It is an amenable number.

4440135213 is a deficient number, since it is larger than the sum of its proper divisors (2335391987).

4440135213 is a wasteful number, since it uses less digits than its factorization.

4440135213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94041 (or 94038 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 4440135213 is about 66634.3395930357. The cubic root of 4440135213 is about 1643.6098371275.

Adding to 4440135213 its reverse (3125310444), we get a palindrome (7565445657).

The spelling of 4440135213 in words is "four billion, four hundred forty million, one hundred thirty-five thousand, two hundred thirteen".