242240004242 has 4 divisors (see below), whose sum is σ = 363360006366. Its totient is φ = 121120002120.

The previous prime is 242240004137. The next prime is 242240004247. The reversal of 242240004242 is 242400042242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 209579924401 + 32660079841 = 457799^2 + 180721^2 .

It is not an unprimeable number, because it can be changed into a prime (242240004247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560001059 + ... + 60560001062.

Almost surely, 2^242240004242 is an apocalyptic number.

242240004242 is a deficient number, since it is larger than the sum of its proper divisors (121120002124).

242240004242 is a wasteful number, since it uses less digits than its factorization.

242240004242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121120002123.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 242240004242 its reverse (242400042242), we get a palindrome (484640046484).

The spelling of 242240004242 in words is "two hundred forty-two billion, two hundred forty million, four thousand, two hundred forty-two".