2013030444 has 12 divisors (see below), whose sum is σ = 4697071064. Its totient is φ = 671010144.

The previous prime is 2013030443. The next prime is 2013030463. The reversal of 2013030444 is 4440303102.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2013030444.

It is not an unprimeable number, because it can be changed into a prime (2013030443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83876257 + ... + 83876280.

Almost surely, 2^2013030444 is an apocalyptic number.

It is an amenable number.

2013030444 is an abundant number, since it is smaller than the sum of its proper divisors (2684040620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2013030444 is a wasteful number, since it uses less digits than its factorization.

2013030444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167752544 (or 167752542 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2013030444 is about 44866.8078204813. The cubic root of 2013030444 is about 1262.6513507274.

Adding to 2013030444 its reverse (4440303102), we get a palindrome (6453333546).

The spelling of 2013030444 in words is "two billion, thirteen million, thirty thousand, four hundred forty-four".