202402243242 has 24 divisors (see below), whose sum is σ = 453660201540. Its totient is φ = 65140951680.

The previous prime is 202402243223. The next prime is 202402243243. The reversal of 202402243242 is 242342204202.

202402243242 is a `hidden beast` number, since 202 + 4 + 0 + 22 + 432 + 4 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 197901309321 + 4500933921 = 444861^2 + 67089^2 .

It is not an unprimeable number, because it can be changed into a prime (202402243243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 193871359 + ... + 193872402.

Almost surely, 2^202402243242 is an apocalyptic number.

202402243242 is an abundant number, since it is smaller than the sum of its proper divisors (251257958298).

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

202402243242 is a wasteful number, since it uses less digits than its factorization.

202402243242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387743798 (or 387743795 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 202402243242 its reverse (242342204202), we get a palindrome (444744447444).

The spelling of 202402243242 in words is "two hundred two billion, four hundred two million, two hundred forty-three thousand, two hundred forty-two".