1444044213 has 32 divisors (see below), whose sum is σ = 2349849600. Its totient is φ = 872367408.

The previous prime is 1444044191. The next prime is 1444044269. The reversal of 1444044213 is 3124404441.

1444044213 is a `hidden beast` number, since 1 + 4 + 440 + 4 + 4 + 213 = 666.

It is not a de Polignac number, because 1444044213 - 2⁵ = 1444044181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444044913) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49395 + ... + 72992.

It is an arithmetic number, because the mean of its divisors is an integer number (73432800).

Almost surely, 2^1444044213 is an apocalyptic number.

It is an amenable number.

1444044213 is a deficient number, since it is larger than the sum of its proper divisors (905805387).

1444044213 is a wasteful number, since it uses less digits than its factorization.

1444044213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122438 (or 122432 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1444044213 is about 38000.5817455470. The cubic root of 1444044213 is about 1130.2993993509.

Adding to 1444044213 its reverse (3124404441), we get a palindrome (4568448654).

It can be divided in two parts, 14440 and 44213, that added together give a triangular number (58653 = T₃₄₂).

The spelling of 1444044213 in words is "one billion, four hundred forty-four million, forty-four thousand, two hundred thirteen".