204044121024440 has 32 divisors (see below), whose sum is σ = 459103489760160. Its totient is φ = 81616898640000.

The previous prime is 204044121024439. The next prime is 204044121024451. The reversal of 204044121024440 is 44420121440402.

It is a junction number, because it is equal to n+sod(n) for n = 204044121024397 and 204044121024406.

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, 19011311 + ... + 27740190.

It is an arithmetic number, because the mean of its divisors is an integer number (14346984055005).

Almost surely, 2^{204044121024440} is an apocalyptic number.

204044121024440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204044121024440 is an abundant number, since it is smaller than the sum of its proper divisors (255059368735720).

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

204044121024440 is a wasteful number, since it uses less digits than its factorization.

204044121024440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46860623 (or 46860619 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 204044121024440 its reverse (44420121440402), we get a palindrome (248464242464842).

The spelling of 204044121024440 in words is "two hundred four trillion, forty-four billion, one hundred twenty-one million, twenty-four thousand, four hundred forty".