204641415550 has 144 divisors (see below), whose sum is σ = 469188505728. Its totient is φ = 65703580800.

The previous prime is 204641415493. The next prime is 204641415569. The reversal of 204641415550 is 55514146402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2089989 + ... + 2185711.

It is an arithmetic number, because the mean of its divisors is an integer number (3258253512).

Almost surely, 2^204641415550 is an apocalyptic number.

204641415550 is an abundant number, since it is smaller than the sum of its proper divisors (264547090178).

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

204641415550 is a wasteful number, since it uses less digits than its factorization.

204641415550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95795 (or 95777 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 37.

The spelling of 204641415550 in words is "two hundred four billion, six hundred forty-one million, four hundred fifteen thousand, five hundred fifty".