242340216 has 32 divisors (see below), whose sum is σ = 606355200. Its totient is φ = 80712800.

The previous prime is 242340209. The next prime is 242340229. The reversal of 242340216 is 612043242.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 31345 + ... + 38303.

It is an arithmetic number, because the mean of its divisors is an integer number (18948600).

Almost surely, 2^242340216 is an apocalyptic number.

It is an amenable number.

242340216 is an abundant number, since it is smaller than the sum of its proper divisors (364014984).

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

242340216 is a wasteful number, since it uses less digits than its factorization.

242340216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419 (or 8415 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 242340216 is about 15567.2803019667. The cubic root of 242340216 is about 623.4598588485.

Adding to 242340216 its reverse (612043242), we get a palindrome (854383458).

It can be divided in two parts, 242340 and 216, that added together give a triangular number (242556 = T₆₉₆).

The spelling of 242340216 in words is "two hundred forty-two million, three hundred forty thousand, two hundred sixteen".