204040602 has 24 divisors (see below), whose sum is σ = 445273920. Its totient is φ = 67523400.

The previous prime is 204040589. The next prime is 204040649. The reversal of 204040602 is 206040402.

204040602 is a `hidden beast` number, since 20 + 4 + 0 + 40 + 602 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38274 + ... + 43277.

It is an arithmetic number, because the mean of its divisors is an integer number (18553080).

Almost surely, 2^204040602 is an apocalyptic number.

204040602 is an abundant number, since it is smaller than the sum of its proper divisors (241233318).

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

204040602 is a wasteful number, since it uses less digits than its factorization.

204040602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81698 (or 81695 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 204040602 is about 14284.2781406692. The cubic root of 204040602 is about 588.7155837456.

The spelling of 204040602 in words is "two hundred four million, forty thousand, six hundred two".