10113440242 has 4 divisors (see below), whose sum is σ = 15170160366. Its totient is φ = 5056720120.

The previous prime is 10113440203. The next prime is 10113440243. The reversal of 10113440242 is 24204431101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 6950390161 + 3163050081 = 83369^2 + 56241^2 .

It is not an unprimeable number, because it can be changed into a prime (10113440243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2528360059 + ... + 2528360062.

Almost surely, 2^10113440242 is an apocalyptic number.

10113440242 is a deficient number, since it is larger than the sum of its proper divisors (5056720124).

10113440242 is an equidigital number, since it uses as much as digits as its factorization.

10113440242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056720123.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 10113440242 its reverse (24204431101), we get a palindrome (34317871343).

It can be divided in two parts, 101134 and 40242, that added together give a square (141376 = 376²).

The spelling of 10113440242 in words is "ten billion, one hundred thirteen million, four hundred forty thousand, two hundred forty-two".