242163450 has 72 divisors (see below), whose sum is σ = 652860000. Its totient is φ = 64354080.

The previous prime is 242163391. The next prime is 242163479. The reversal of 242163450 is 54361242.

242163450 is a `hidden beast` number, since 2 + 4 + 21 + 634 + 5 + 0 = 666.

242163450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 160801 + ... + 162299.

It is an arithmetic number, because the mean of its divisors is an integer number (9067500).

Almost surely, 2^242163450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 242163450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (326430000).

242163450 is an abundant number, since it is smaller than the sum of its proper divisors (410696550).

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

242163450 is a wasteful number, since it uses less digits than its factorization.

242163450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876 (or 1868 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 242163450 is about 15561.6017813077. The cubic root of 242163450 is about 623.3082354910.

The spelling of 242163450 in words is "two hundred forty-two million, one hundred sixty-three thousand, four hundred fifty".