204047146644 has 96 divisors (see below), whose sum is σ = 561646503936. Its totient is φ = 56957038080.

The previous prime is 204047146621. The next prime is 204047146649. The reversal of 204047146644 is 446641740402.

It is a junction number, because it is equal to n+sod(n) for n = 204047146596 and 204047146605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204047146649) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 861874 + ... + 1072809.

It is an arithmetic number, because the mean of its divisors is an integer number (5850484416).

Almost surely, 2^204047146644 is an apocalyptic number.

It is an amenable number.

204047146644 is an abundant number, since it is smaller than the sum of its proper divisors (357599357292).

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

204047146644 is a wasteful number, since it uses less digits than its factorization.

204047146644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1934765 (or 1934763 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 42.

The spelling of 204047146644 in words is "two hundred four billion, forty-seven million, one hundred forty-six thousand, six hundred forty-four".