255332315135442 has 16 divisors (see below), whose sum is σ = 510665754130272. Its totient is φ = 85110584401920.

The previous prime is 255332315135441. The next prime is 255332315135467. The reversal of 255332315135442 is 244531513233552.

It is a junction number, because it is equal to n+sod(n) for n = 255332315135391 and 255332315135400.

It is not an unprimeable number, because it can be changed into a prime (255332315135441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43859503 + ... + 49338834.

It is an arithmetic number, because the mean of its divisors is an integer number (31916609633142).

Almost surely, 2^{255332315135442} is an apocalyptic number.

255332315135442 is an abundant number, since it is smaller than the sum of its proper divisors (255333438994830).

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

255332315135442 is a wasteful number, since it uses less digits than its factorization.

255332315135442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93654953.

The product of its digits is 6480000, while the sum is 48.

Adding to 255332315135442 its reverse (244531513233552), we get a palindrome (499863828368994).

The spelling of 255332315135442 in words is "two hundred fifty-five trillion, three hundred thirty-two billion, three hundred fifteen million, one hundred thirty-five thousand, four hundred forty-two".