242550013540 has 12 divisors (see below), whose sum is σ = 509355028476. Its totient is φ = 97020005408.

The previous prime is 242550013481. The next prime is 242550013543. The reversal of 242550013540 is 45310055242.

It can be written as a sum of positive squares in 2 ways, for example, as 135347466816 + 107202546724 = 367896^2 + 327418^2 .

It is a super-4 number, since 4×242550013540⁴ (a number of 47 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (242550013543) 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, 6063750319 + ... + 6063750358.

It is an arithmetic number, because the mean of its divisors is an integer number (42446252373).

Almost surely, 2^242550013540 is an apocalyptic number.

242550013540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242550013540 is an abundant number, since it is smaller than the sum of its proper divisors (266805014936).

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

242550013540 is a wasteful number, since it uses less digits than its factorization.

242550013540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12127500686 (or 12127500684 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 242550013540 its reverse (45310055242), we get a palindrome (287860068782).

The spelling of 242550013540 in words is "two hundred forty-two billion, five hundred fifty million, thirteen thousand, five hundred forty".