44220042013 has 12 divisors (see below), whose sum is σ = 51490179360. Its totient is φ = 37865654232.

The previous prime is 44220042011. The next prime is 44220042017. The reversal of 44220042013 is 31024002244.

It is a happy number.

44220042013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44220042013 - 2¹ = 44220042011 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 (44220042011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 392881 + ... + 492742.

It is an arithmetic number, because the mean of its divisors is an integer number (4290848280).

Almost surely, 2^44220042013 is an apocalyptic number.

It is an amenable number.

44220042013 is a deficient number, since it is larger than the sum of its proper divisors (7270137347).

44220042013 is a wasteful number, since it uses less digits than its factorization.

44220042013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886656 (or 886649 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 44220042013 its reverse (31024002244), we get a palindrome (75244044257).

The spelling of 44220042013 in words is "forty-four billion, two hundred twenty million, forty-two thousand, thirteen".