203242442408 has 16 divisors (see below), whose sum is σ = 391379028180. Its totient is φ = 98874701568.

The previous prime is 203242442393. The next prime is 203242442411. The reversal of 203242442408 is 804244242302.

It can be written as a sum of positive squares in 2 ways, for example, as 202519800484 + 722641924 = 450022^2 + 26882^2 .

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, 343314641 + ... + 343315232.

Almost surely, 2^203242442408 is an apocalyptic number.

It is an amenable number.

203242442408 is a deficient number, since it is larger than the sum of its proper divisors (188136585772).

203242442408 is a wasteful number, since it uses less digits than its factorization.

203242442408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686629916 (or 686629912 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

The spelling of 203242442408 in words is "two hundred three billion, two hundred forty-two million, four hundred forty-two thousand, four hundred eight".