204874734004 has 24 divisors (see below), whose sum is σ = 359194961160. Its totient is φ = 102247681536.

The previous prime is 204874733969. The next prime is 204874734037. The reversal of 204874734004 is 400437478402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1385328400 + 203489405604 = 37220^2 + 451098^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16205974 + ... + 16218610.

It is an arithmetic number, because the mean of its divisors is an integer number (14966456715).

Almost surely, 2^204874734004 is an apocalyptic number.

It is an amenable number.

204874734004 is a deficient number, since it is larger than the sum of its proper divisors (154320227156).

204874734004 is a wasteful number, since it uses less digits than its factorization.

204874734004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19827 (or 19825 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 43.

The spelling of 204874734004 in words is "two hundred four billion, eight hundred seventy-four million, seven hundred thirty-four thousand, four".