242818916408 has 8 divisors (see below), whose sum is σ = 455285468280. Its totient is φ = 121409458200.

The previous prime is 242818916303. The next prime is 242818916419. The reversal of 242818916408 is 804619818242.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×242818916408² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 242818916408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15176182268 + ... + 15176182283.

It is an arithmetic number, because the mean of its divisors is an integer number (56910683535).

Almost surely, 2^242818916408 is an apocalyptic number.

It is an amenable number.

242818916408 is a deficient number, since it is larger than the sum of its proper divisors (212466551872).

242818916408 is a wasteful number, since it uses less digits than its factorization.

242818916408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30352364557 (or 30352364553 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 53.

The spelling of 242818916408 in words is "two hundred forty-two billion, eight hundred eighteen million, nine hundred sixteen thousand, four hundred eight".