202450042 has 8 divisors (see below), whose sum is σ = 321538356. Its totient is φ = 95270592.

The previous prime is 202450021. The next prime is 202450043. The reversal of 202450042 is 240054202.

It can be written as a sum of positive squares in 2 ways, for example, as 193515921 + 8934121 = 13911^2 + 2989^2 .

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

It is not an unprimeable number, because it can be changed into a prime (202450043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2977173 + ... + 2977240.

Almost surely, 2^202450042 is an apocalyptic number.

202450042 is a deficient number, since it is larger than the sum of its proper divisors (119088314).

202450042 is a wasteful number, since it uses less digits than its factorization.

202450042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954432.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 202450042 is about 14228.4940172880. The cubic root of 202450042 is about 587.1818511029.

The spelling of 202450042 in words is "two hundred two million, four hundred fifty thousand, forty-two".