255353434140140 has 192 divisors, whose sum is σ = 626061123717120. Its totient is φ = 85675828930560.

The previous prime is 255353434140059. The next prime is 255353434140191. The reversal of 255353434140140 is 41041434353552.

It is a junction number, because it is equal to n+sod(n) for n = 255353434140091 and 255353434140100.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9436202210 + ... + 9436229270.

It is an arithmetic number, because the mean of its divisors is an integer number (3260735019360).

Almost surely, 2^{255353434140140} is an apocalyptic number.

255353434140140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255353434140140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313030561858560).

255353434140140 is an abundant number, since it is smaller than the sum of its proper divisors (370707689576980).

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

255353434140140 is a wasteful number, since it uses less digits than its factorization.

255353434140140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32272 (or 32270 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

Adding to 255353434140140 its reverse (41041434353552), we get a palindrome (296394868493692).

The spelling of 255353434140140 in words is "two hundred fifty-five trillion, three hundred fifty-three billion, four hundred thirty-four million, one hundred forty thousand, one hundred forty".