242408818655 has 8 divisors (see below), whose sum is σ = 295820931600. Its totient is φ = 190640155456.

The previous prime is 242408818637. The next prime is 242408818669. The reversal of 242408818655 is 556818804242.

It is a happy number.

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 242408818655 - 2¹⁰ = 242408817631 is a prime.

It is a super-3 number, since 3×242408818655³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 242408818597 and 242408818606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410862110 + ... + 410862699.

It is an arithmetic number, because the mean of its divisors is an integer number (36977616450).

Almost surely, 2^242408818655 is an apocalyptic number.

242408818655 is a deficient number, since it is larger than the sum of its proper divisors (53412112945).

242408818655 is an equidigital number, since it uses as much as digits as its factorization.

242408818655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 821724873.

The product of its (nonzero) digits is 4915200, while the sum is 53.

The spelling of 242408818655 in words is "two hundred forty-two billion, four hundred eight million, eight hundred eighteen thousand, six hundred fifty-five".