203441001240 has 256 divisors, whose sum is σ = 664160757120. Its totient is φ = 49650728960.

The previous prime is 203441001193. The next prime is 203441001277. The reversal of 203441001240 is 42100144302.

203441001240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26510044 + ... + 26517716.

Almost surely, 2^203441001240 is an apocalyptic number.

203441001240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 203441001240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332080378560).

203441001240 is an abundant number, since it is smaller than the sum of its proper divisors (460719755880).

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

203441001240 is a wasteful number, since it uses less digits than its factorization.

203441001240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062 (or 8058 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 203441001240 its reverse (42100144302), we get a palindrome (245541145542).

The spelling of 203441001240 in words is "two hundred three billion, four hundred forty-one million, one thousand, two hundred forty".