204066060440 has 64 divisors (see below), whose sum is σ = 501298308000. Its totient is φ = 74145264640.

The previous prime is 204066060439. The next prime is 204066060461. The reversal of 204066060440 is 44060660402.

It is a junction number, because it is equal to n+sod(n) for n = 204066060397 and 204066060406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352076 + ... + 729444.

Almost surely, 2^204066060440 is an apocalyptic number.

204066060440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204066060440 is an abundant number, since it is smaller than the sum of its proper divisors (297232247560).

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

204066060440 is a wasteful number, since it uses less digits than its factorization.

204066060440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378620 (or 378616 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 204066060440 in words is "two hundred four billion, sixty-six million, sixty thousand, four hundred forty".