242240530442225 has 24 divisors (see below), whose sum is σ = 343322131149888. Its totient is φ = 166091972760000.

The previous prime is 242240530442201. The next prime is 242240530442231. The reversal of 242240530442225 is 522244035042242.

It is not a de Polignac number, because 242240530442225 - 2¹⁸ = 242240530180081 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 64071839 + ... + 67747188.

It is an arithmetic number, because the mean of its divisors is an integer number (14305088797912).

Almost surely, 2^{242240530442225} is an apocalyptic number.

242240530442225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

242240530442225 is a deficient number, since it is larger than the sum of its proper divisors (101081600707663).

242240530442225 is a wasteful number, since it uses less digits than its factorization.

242240530442225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131829545 (or 131829540 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 41.

Adding to 242240530442225 its reverse (522244035042242), we get a palindrome (764484565484467).

The spelling of 242240530442225 in words is "two hundred forty-two trillion, two hundred forty billion, five hundred thirty million, four hundred forty-two thousand, two hundred twenty-five".