204242333544 has 64 divisors (see below), whose sum is σ = 567418089600. Its totient is φ = 68071385088.

The previous prime is 204242333473. The next prime is 204242333549. The reversal of 204242333544 is 445333242402.

204242333544 is a `hidden beast` number, since 2 + 0 + 42 + 42 + 3 + 33 + 544 = 666.

It is a super-2 number, since 2×204242333544² (a number of 23 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 204242333499 and 204242333508.

It is not an unprimeable number, because it can be changed into a prime (204242333549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1602472 + ... + 1725224.

It is an arithmetic number, because the mean of its divisors is an integer number (8865907650).

Almost surely, 2^204242333544 is an apocalyptic number.

204242333544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

204242333544 is an abundant number, since it is smaller than the sum of its proper divisors (363175756056).

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

204242333544 is a wasteful number, since it uses less digits than its factorization.

204242333544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130471 (or 130461 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 36.

Adding to 204242333544 its reverse (445333242402), we get a palindrome (649575575946).

The spelling of 204242333544 in words is "two hundred four billion, two hundred forty-two million, three hundred thirty-three thousand, five hundred forty-four".