203040424 has 16 divisors (see below), whose sum is σ = 381273300. Its totient is φ = 101367552.

The previous prime is 203040419. The next prime is 203040427. The reversal of 203040424 is 424040302.

It can be written as a sum of positive squares in 2 ways, for example, as 134977924 + 68062500 = 11618^2 + 8250^2 .

It is not an unprimeable number, because it can be changed into a prime (203040427) 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, 13329 + ... + 24160.

Almost surely, 2^203040424 is an apocalyptic number.

It is an amenable number.

203040424 is a deficient number, since it is larger than the sum of its proper divisors (178232876).

203040424 is a wasteful number, since it uses less digits than its factorization.

203040424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38172 (or 38168 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 203040424 is about 14249.2253824550. The cubic root of 203040424 is about 587.7520743549.

Adding to 203040424 its reverse (424040302), we get a palindrome (627080726).

The spelling of 203040424 in words is "two hundred three million, forty thousand, four hundred twenty-four".