242112312040 has 16 divisors (see below), whose sum is σ = 544752702180. Its totient is φ = 96844924800.

The previous prime is 242112311993. The next prime is 242112312041. The reversal of 242112312040 is 40213211242.

It can be written as a sum of positive squares in 2 ways, for example, as 241932161956 + 180150084 = 491866^2 + 13422^2 .

It is not an unprimeable number, because it can be changed into a prime (242112312041) 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, 3026403861 + ... + 3026403940.

Almost surely, 2^242112312040 is an apocalyptic number.

242112312040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242112312040 is an abundant number, since it is smaller than the sum of its proper divisors (302640390140).

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

242112312040 is a wasteful number, since it uses less digits than its factorization.

242112312040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6052807812 (or 6052807808 counting only the distinct ones).

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

Adding to 242112312040 its reverse (40213211242), we get a palindrome (282325523282).

The spelling of 242112312040 in words is "two hundred forty-two billion, one hundred twelve million, three hundred twelve thousand, forty".