204244351542 has 96 divisors (see below), whose sum is σ = 551884320000. Its totient is φ = 53035162560.

The previous prime is 204244351537. The next prime is 204244351543. The reversal of 204244351542 is 245153442402.

204244351542 is a `hidden beast` number, since 2 + 0 + 4 + 24 + 43 + 51 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 204244351497 and 204244351506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204244351543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5251584 + ... + 5290332.

It is an arithmetic number, because the mean of its divisors is an integer number (5748795000).

Almost surely, 2^204244351542 is an apocalyptic number.

204244351542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204244351542 is an abundant number, since it is smaller than the sum of its proper divisors (347639968458).

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

204244351542 is a wasteful number, since it uses less digits than its factorization.

204244351542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42578 (or 42575 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 204244351542 its reverse (245153442402), we get a palindrome (449397793944).

The spelling of 204244351542 in words is "two hundred four billion, two hundred forty-four million, three hundred fifty-one thousand, five hundred forty-two".