242440355 has 8 divisors (see below), whose sum is σ = 303577632. Its totient is φ = 185519488.

The previous prime is 242440351. The next prime is 242440369. The reversal of 242440355 is 553044242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242440355 - 2² = 242440351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242440351) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1053974 + ... + 1054203.

It is an arithmetic number, because the mean of its divisors is an integer number (37947204).

Almost surely, 2^242440355 is an apocalyptic number.

242440355 is a deficient number, since it is larger than the sum of its proper divisors (61137277).

242440355 is a wasteful number, since it uses less digits than its factorization.

242440355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2108205.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 242440355 is about 15570.4962990908. The cubic root of 242440355 is about 623.5457216772.

Adding to 242440355 its reverse (553044242), we get a palindrome (795484597).

The spelling of 242440355 in words is "two hundred forty-two million, four hundred forty thousand, three hundred fifty-five".