210204240042 has 8 divisors (see below), whose sum is σ = 420408480096. Its totient is φ = 70068080012.

The previous prime is 210204240031. The next prime is 210204240073. The reversal of 210204240042 is 240042402012.

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

210204240042 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17517019998 + ... + 17517020009.

It is an arithmetic number, because the mean of its divisors is an integer number (52551060012).

Almost surely, 2^210204240042 is an apocalyptic number.

210204240042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

210204240042 is a wasteful number, since it uses less digits than its factorization.

210204240042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35034040012.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 210204240042 its reverse (240042402012), we get a palindrome (450246642054).

The spelling of 210204240042 in words is "two hundred ten billion, two hundred four million, two hundred forty thousand, forty-two".