203340044240 has 80 divisors (see below), whose sum is σ = 484953460992. Its totient is φ = 79254446592.

The previous prime is 203340044231. The next prime is 203340044263. The reversal of 203340044240 is 42440043302.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 734402 + ... + 972638.

Almost surely, 2^203340044240 is an apocalyptic number.

203340044240 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 203340044240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242476730496).

203340044240 is an abundant number, since it is smaller than the sum of its proper divisors (281613416752).

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

203340044240 is a wasteful number, since it uses less digits than its factorization.

203340044240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238524 (or 238518 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 203340044240 its reverse (42440043302), we get a palindrome (245780087542).

The spelling of 203340044240 in words is "two hundred three billion, three hundred forty million, forty-four thousand, two hundred forty".