204775332240 has 80 divisors (see below), whose sum is σ = 634861526976. Its totient is φ = 54601766400.

The previous prime is 204775332233. The next prime is 204775332241. The reversal of 204775332240 is 42233577402.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (204775332241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3128650 + ... + 3193430.

Almost surely, 2^204775332240 is an apocalyptic number.

204775332240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204775332240 is an abundant number, since it is smaller than the sum of its proper divisors (430086194736).

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

204775332240 is a wasteful number, since it uses less digits than its factorization.

204775332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77968 (or 77962 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 39.

The spelling of 204775332240 in words is "two hundred four billion, seven hundred seventy-five million, three hundred thirty-two thousand, two hundred forty".