204928467536 has 20 divisors (see below), whose sum is σ = 427591129812. Its totient is φ = 94582369536.

The previous prime is 204928467509. The next prime is 204928467553. The reversal of 204928467536 is 635764829402.

It can be written as a sum of positive squares in 2 ways, for example, as 128697257536 + 76231210000 = 358744^2 + 276100^2 .

It is a super-2 number, since 2×204928467536² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 492616301 + ... + 492616716.

Almost surely, 2^204928467536 is an apocalyptic number.

204928467536 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

204928467536 is an abundant number, since it is smaller than the sum of its proper divisors (222662662276).

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

204928467536 is a wasteful number, since it uses less digits than its factorization.

204928467536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985233038 (or 985233032 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 204928467536 in words is "two hundred four billion, nine hundred twenty-eight million, four hundred sixty-seven thousand, five hundred thirty-six".