204435113333140 has 48 divisors (see below), whose sum is σ = 444232098712080. Its totient is φ = 78933906007040.

The previous prime is 204435113333137. The next prime is 204435113333161. The reversal of 204435113333140 is 41333311534402.

It can be written as a sum of positive squares in 8 ways, for example, as 2416818470544 + 202018294862596 = 1554612^2 + 14213314^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 204435113333140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43159267 + ... + 47661226.

It is an arithmetic number, because the mean of its divisors is an integer number (9254835389835).

Almost surely, 2^{204435113333140} is an apocalyptic number.

204435113333140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204435113333140 is an abundant number, since it is smaller than the sum of its proper divisors (239796985378940).

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

204435113333140 is a wasteful number, since it uses less digits than its factorization.

204435113333140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90824412 (or 90824410 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 37.

Adding to 204435113333140 its reverse (41333311534402), we get a palindrome (245768424867542).

The spelling of 204435113333140 in words is "two hundred four trillion, four hundred thirty-five billion, one hundred thirteen million, three hundred thirty-three thousand, one hundred forty".