202043400242 has 8 divisors (see below), whose sum is σ = 303068390016. Its totient is φ = 101020603572.

The previous prime is 202043400233. The next prime is 202043400257. The reversal of 202043400242 is 242004340202.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294458 + ... + 700565.

It is an arithmetic number, because the mean of its divisors is an integer number (37883548752).

Almost surely, 2^202043400242 is an apocalyptic number.

202043400242 is a deficient number, since it is larger than the sum of its proper divisors (101024989774).

202043400242 is a wasteful number, since it uses less digits than its factorization.

202043400242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096552.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 202043400242 its reverse (242004340202), we get a palindrome (444047740444).

The spelling of 202043400242 in words is "two hundred two billion, forty-three million, four hundred thousand, two hundred forty-two".