242240355 has 64 divisors (see below), whose sum is σ = 508108800. Its totient is φ = 107153280.

The previous prime is 242240279. The next prime is 242240357. The reversal of 242240355 is 553042242.

It is a happy number.

242240355 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 242240355 - 2⁷ = 242240227 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (242240357) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25161 + ... + 33429.

It is an arithmetic number, because the mean of its divisors is an integer number (7939200).

Almost surely, 2^242240355 is an apocalyptic number.

242240355 is an abundant number, since it is smaller than the sum of its proper divisors (265868445).

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

242240355 is a wasteful number, since it uses less digits than its factorization.

242240355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8321 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 242240355 is about 15564.0725711492. The cubic root of 242240355 is about 623.3742108290.

Adding to 242240355 its reverse (553042242), we get a palindrome (795282597).

The spelling of 242240355 in words is "two hundred forty-two million, two hundred forty thousand, three hundred fifty-five".