204042026444634 has 120 divisors (see below), whose sum is σ = 563136397486740. Its totient is φ = 54868444049664.

The previous prime is 204042026444603. The next prime is 204042026444647. The reversal of 204042026444634 is 436444620240402.

204042026444634 is a `hidden beast` number, since 2 + 0 + 4 + 0 + 4 + 2 + 0 + 2 + 6 + 4 + 4 + 4 + 634 = 666.

204042026444634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 187870746494025 + 16171279950609 = 13706595^2 + 4021353^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204042026444634.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 755878669 + ... + 756148560.

Almost surely, 2^{204042026444634} is an apocalyptic number.

204042026444634 is an abundant number, since it is smaller than the sum of its proper divisors (359094371042106).

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

204042026444634 is a wasteful number, since it uses less digits than its factorization.

204042026444634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512027274 (or 1512027258 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 45.

The spelling of 204042026444634 in words is "two hundred four trillion, forty-two billion, twenty-six million, four hundred forty-four thousand, six hundred thirty-four".