242016140 has 12 divisors (see below), whose sum is σ = 508233936. Its totient is φ = 96806448.

The previous prime is 242016121. The next prime is 242016161. The reversal of 242016140 is 41610242.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12100807 = 242016140 / (2 + 4 + 2 + 0 + 1 + 6 + 1 + 4 + 0).

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 3 ways as a sum of consecutive naturals, for example, 6050384 + ... + 6050423.

It is an arithmetic number, because the mean of its divisors is an integer number (42352828).

Almost surely, 2^242016140 is an apocalyptic number.

242016140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242016140 is an abundant number, since it is smaller than the sum of its proper divisors (266217796).

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

242016140 is a wasteful number, since it uses less digits than its factorization.

242016140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12100816 (or 12100814 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 242016140 is about 15556.8679367024. The cubic root of 242016140 is about 623.1818220285.

Adding to 242016140 its reverse (41610242), we get a palindrome (283626382).

The spelling of 242016140 in words is "two hundred forty-two million, sixteen thousand, one hundred forty".