44402313213 has 8 divisors (see below), whose sum is σ = 65781204800. Its totient is φ = 29601542124.

The previous prime is 44402313181. The next prime is 44402313229. The reversal of 44402313213 is 31231320444.

44402313213 is a `hidden beast` number, since 4 + 440 + 2 + 3 + 1 + 3 + 213 = 666.

It is not a de Polignac number, because 44402313213 - 2⁵ = 44402313181 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1644530119 = 44402313213 / (4 + 4 + 4 + 0 + 2 + 3 + 1 + 3 + 2 + 1 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44402313233) 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, 822265033 + ... + 822265086.

It is an arithmetic number, because the mean of its divisors is an integer number (8222650600).

Almost surely, 2^44402313213 is an apocalyptic number.

It is an amenable number.

44402313213 is a deficient number, since it is larger than the sum of its proper divisors (21378891587).

44402313213 is a wasteful number, since it uses less digits than its factorization.

44402313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644530128 (or 1644530122 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 44402313213 its reverse (31231320444), we get a palindrome (75633633657).

It can be divided in two parts, 4440231 and 3213, that added together give a palindrome (4443444).

The spelling of 44402313213 in words is "forty-four billion, four hundred two million, three hundred thirteen thousand, two hundred thirteen".