204855420880535 has 8 divisors (see below), whose sum is σ = 245828937013296. Its totient is φ = 163882715400000.

The previous prime is 204855420880489. The next prime is 204855420880543. The reversal of 204855420880535 is 535088024558402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204855420880535 - 2²⁴ = 204855404103319 is a prime.

It is a super-2 number, since 2×204855420880535² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

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, 202106966 + ... + 203118035.

It is an arithmetic number, because the mean of its divisors is an integer number (30728617126662).

Almost surely, 2^{204855420880535} is an apocalyptic number.

204855420880535 is a deficient number, since it is larger than the sum of its proper divisors (40973516132761).

204855420880535 is a wasteful number, since it uses less digits than its factorization.

204855420880535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405326113.

The product of its (nonzero) digits is 61440000, while the sum is 59.

The spelling of 204855420880535 in words is "two hundred four trillion, eight hundred fifty-five billion, four hundred twenty million, eight hundred eighty thousand, five hundred thirty-five".