242040455 has 8 divisors (see below), whose sum is σ = 291112800. Its totient is φ = 193189536.

The previous prime is 242040439. The next prime is 242040499. The reversal of 242040455 is 554040242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242040455 - 2⁴ = 242040439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52940 + ... + 57329.

It is an arithmetic number, because the mean of its divisors is an integer number (36389100).

Almost surely, 2^242040455 is an apocalyptic number.

242040455 is a deficient number, since it is larger than the sum of its proper divisors (49072345).

242040455 is a wasteful number, since it uses less digits than its factorization.

242040455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110713.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 242040455 is about 15557.6494047141. The cubic root of 242040455 is about 623.2026913784.

Adding to 242040455 its reverse (554040242), we get a palindrome (796080697).

It can be divided in two parts, 2420 and 40455, that added together give a cube (42875 = 35³).

The spelling of 242040455 in words is "two hundred forty-two million, forty thousand, four hundred fifty-five".