203402041242 has 16 divisors (see below), whose sum is σ = 417798787872. Its totient is φ = 65968229520.

The previous prime is 203402041237. The next prime is 203402041259. The reversal of 203402041242 is 242140204302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458112484 + ... + 458112927.

It is an arithmetic number, because the mean of its divisors is an integer number (26112424242).

Almost surely, 2^203402041242 is an apocalyptic number.

203402041242 is an abundant number, since it is smaller than the sum of its proper divisors (214396746630).

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

203402041242 is a wasteful number, since it uses less digits than its factorization.

203402041242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916225453.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 203402041242 its reverse (242140204302), we get a palindrome (445542245544).

The spelling of 203402041242 in words is "two hundred three billion, four hundred two million, forty-one thousand, two hundred forty-two".