204343321242040 has 16 divisors (see below), whose sum is σ = 459772472794680. Its totient is φ = 81737328496800.

The previous prime is 204343321242029. The next prime is 204343321242119. The reversal of 204343321242040 is 40242123343402.

204343321242040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 204343321241987 and 204343321242005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554291515486 + ... + 2554291515565.

Almost surely, 2^{204343321242040} is an apocalyptic number.

204343321242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204343321242040 is an abundant number, since it is smaller than the sum of its proper divisors (255429151552640).

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

204343321242040 is a wasteful number, since it uses less digits than its factorization.

204343321242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108583031062 (or 5108583031058 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 204343321242040 its reverse (40242123343402), we get a palindrome (244585444585442).

The spelling of 204343321242040 in words is "two hundred four trillion, three hundred forty-three billion, three hundred twenty-one million, two hundred forty-two thousand, forty".