203441420440 has 32 divisors (see below), whose sum is σ = 458565047280. Its totient is φ = 81230461312.

The previous prime is 203441420419. The next prime is 203441420447. The reversal of 203441420440 is 44024144302.

It is a junction number, because it is equal to n+sod(n) for n = 203441420399 and 203441420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203441420447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4543282 + ... + 4587841.

Almost surely, 2^203441420440 is an apocalyptic number.

203441420440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

203441420440 is an abundant number, since it is smaller than the sum of its proper divisors (255123626840).

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

203441420440 is a wasteful number, since it uses less digits than its factorization.

203441420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9131691 (or 9131687 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 203441420440 its reverse (44024144302), we get a palindrome (247465564742).

The spelling of 203441420440 in words is "two hundred three billion, four hundred forty-one million, four hundred twenty thousand, four hundred forty".