2102443242 has 16 divisors (see below), whose sum is σ = 4205460000. Its totient is φ = 700718832.

The previous prime is 2102443201. The next prime is 2102443243. The reversal of 2102443242 is 2423442012.

It is not an unprimeable number, because it can be changed into a prime (2102443243) 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, 34884 + ... + 73632.

It is an arithmetic number, because the mean of its divisors is an integer number (262841250).

Almost surely, 2^2102443242 is an apocalyptic number.

2102443242 is an abundant number, since it is smaller than the sum of its proper divisors (2103016758).

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

2102443242 is a wasteful number, since it uses less digits than its factorization.

2102443242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47797.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2102443242 is about 45852.4071560044. The cubic root of 2102443242 is about 1281.0756018444.

Adding to 2102443242 its reverse (2423442012), we get a palindrome (4525885254).

The spelling of 2102443242 in words is "two billion, one hundred two million, four hundred forty-three thousand, two hundred forty-two".