204024240354543 has 64 divisors (see below), whose sum is σ = 328449752064000. Its totient is φ = 110047219519104.

The previous prime is 204024240354443. The next prime is 204024240354551. The reversal of 204024240354543 is 345453042420402.

It is not a de Polignac number, because 204024240354543 - 2⁹ = 204024240354031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204024240354495 and 204024240354504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204024240354443) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 150090718 + ... + 151443956.

It is an arithmetic number, because the mean of its divisors is an integer number (5132027376000).

Almost surely, 2^{204024240354543} is an apocalyptic number.

204024240354543 is a deficient number, since it is larger than the sum of its proper divisors (124425511709457).

204024240354543 is a wasteful number, since it uses less digits than its factorization.

204024240354543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354644.

The product of its (nonzero) digits is 1843200, while the sum is 42.

Adding to 204024240354543 its reverse (345453042420402), we get a palindrome (549477282774945).

The spelling of 204024240354543 in words is "two hundred four trillion, twenty-four billion, two hundred forty million, three hundred fifty-four thousand, five hundred forty-three".