204323401014440 has 32 divisors (see below), whose sum is σ = 464279411225160. Its totient is φ = 80920158816000.

The previous prime is 204323401014379. The next prime is 204323401014493. The reversal of 204323401014440 is 44410104323402.

It can be written as a sum of positive squares in 4 ways, for example, as 164416865280196 + 39906535734244 = 12822514^2 + 6317162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 204323401014397 and 204323401014406.

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, 25287545591 + ... + 25287553670.

Almost surely, 2^{204323401014440} is an apocalyptic number.

204323401014440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204323401014440 is an abundant number, since it is smaller than the sum of its proper divisors (259956010210720).

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

204323401014440 is a wasteful number, since it uses less digits than its factorization.

204323401014440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50575099373 (or 50575099369 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 204323401014440 its reverse (44410104323402), we get a palindrome (248733505337842).

The spelling of 204323401014440 in words is "two hundred four trillion, three hundred twenty-three billion, four hundred one million, fourteen thousand, four hundred forty".