203241340240 has 40 divisors (see below), whose sum is σ = 474205907808. Its totient is φ = 81009260160.

The previous prime is 203241340223. The next prime is 203241340241. The reversal of 203241340240 is 42043142302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203241340241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4465906 + ... + 4511185.

Almost surely, 2^203241340240 is an apocalyptic number.

203241340240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203241340240 is an abundant number, since it is smaller than the sum of its proper divisors (270964567568).

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

203241340240 is a wasteful number, since it uses less digits than its factorization.

203241340240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8977387 (or 8977381 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 203241340240 its reverse (42043142302), we get a palindrome (245284482542).

The spelling of 203241340240 in words is "two hundred three billion, two hundred forty-one million, three hundred forty thousand, two hundred forty".