242163408 has 20 divisors (see below), whose sum is σ = 625588928. Its totient is φ = 80721120.

The previous prime is 242163391. The next prime is 242163479. The reversal of 242163408 is 804361242.

242163408 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522488 + ... + 2522583.

Almost surely, 2^242163408 is an apocalyptic number.

It is an amenable number.

242163408 is an abundant number, since it is smaller than the sum of its proper divisors (383425520).

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

242163408 is a wasteful number, since it uses less digits than its factorization.

242163408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045082 (or 5045076 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 242163408 is about 15561.6004318322. The cubic root of 242163408 is about 623.3081994562.

The spelling of 242163408 in words is "two hundred forty-two million, one hundred sixty-three thousand, four hundred eight".