204040421300024 has 32 divisors (see below), whose sum is σ = 394072138409040. Its totient is φ = 98982012729600.

The previous prime is 204040421299907. The next prime is 204040421300039. The reversal of 204040421300024 is 420003124040402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 204040421299966 and 204040421300002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718378354 + ... + 1718497089.

Almost surely, 2^{204040421300024} is an apocalyptic number.

It is an amenable number.

204040421300024 is a deficient number, since it is larger than the sum of its proper divisors (190031717109016).

204040421300024 is a wasteful number, since it uses less digits than its factorization.

204040421300024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3436875671 (or 3436875667 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 204040421300024 its reverse (420003124040402), we get a palindrome (624043545340426).

The spelling of 204040421300024 in words is "two hundred four trillion, forty billion, four hundred twenty-one million, three hundred thousand, twenty-four".