203440133104 has 20 divisors (see below), whose sum is σ = 424485662776. Its totient is φ = 93895445952.

The previous prime is 203440133093. The next prime is 203440133119. The reversal of 203440133104 is 401331044302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 489038574 + ... + 489038989.

Almost surely, 2^203440133104 is an apocalyptic number.

It is an amenable number.

203440133104 is an abundant number, since it is smaller than the sum of its proper divisors (221045529672).

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

203440133104 is a wasteful number, since it uses less digits than its factorization.

203440133104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978077584 (or 978077578 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 203440133104 its reverse (401331044302), we get a palindrome (604771177406).

The spelling of 203440133104 in words is "two hundred three billion, four hundred forty million, one hundred thirty-three thousand, one hundred four".