204421420333044 has 36 divisors (see below), whose sum is σ = 516732643714560. Its totient is φ = 68140378486800.

The previous prime is 204421420333033. The next prime is 204421420333147. The reversal of 204421420333044 is 440333024124402.

204421420333044 is a `hidden beast` number, since 2 + 0 + 442 + 1 + 4 + 203 + 3 + 3 + 0 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25173319 + ... + 32288369.

Almost surely, 2^{204421420333044} is an apocalyptic number.

It is an amenable number.

204421420333044 is an abundant number, since it is smaller than the sum of its proper divisors (312311223381516).

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

204421420333044 is a wasteful number, since it uses less digits than its factorization.

204421420333044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7913140 (or 7913135 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 204421420333044 its reverse (440333024124402), we get a palindrome (644754444457446).

The spelling of 204421420333044 in words is "two hundred four trillion, four hundred twenty-one billion, four hundred twenty million, three hundred thirty-three thousand, forty-four".