2113444242 has 48 divisors (see below), whose sum is σ = 5635855680. Its totient is φ = 557391456.

The previous prime is 2113444237. The next prime is 2113444297. The reversal of 2113444242 is 2424443112.

2113444242 is a `hidden beast` number, since 211 + 3 + 4 + 442 + 4 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 643492 + ... + 646767.

It is an arithmetic number, because the mean of its divisors is an integer number (117413660).

Almost surely, 2^2113444242 is an apocalyptic number.

2113444242 is an abundant number, since it is smaller than the sum of its proper divisors (3522411438).

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

2113444242 is a wasteful number, since it uses less digits than its factorization.

2113444242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290287 (or 1290284 counting only the distinct ones).

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

The square root of 2113444242 is about 45972.2116283304. The cubic root of 2113444242 is about 1283.3061183787.

Adding to 2113444242 its reverse (2424443112), we get a palindrome (4537887354).

The spelling of 2113444242 in words is "two billion, one hundred thirteen million, four hundred forty-four thousand, two hundred forty-two".