255042042021224 has 64 divisors (see below), whose sum is σ = 515170709366400. Its totient is φ = 117927047798784.

The previous prime is 255042042021199. The next prime is 255042042021259. The reversal of 255042042021224 is 422120240240552.

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, 8305157 + ... + 24063659.

It is an arithmetic number, because the mean of its divisors is an integer number (8049542333850).

Almost surely, 2^{255042042021224} is an apocalyptic number.

It is an amenable number.

255042042021224 is an abundant number, since it is smaller than the sum of its proper divisors (260128667345176).

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

255042042021224 is a wasteful number, since it uses less digits than its factorization.

255042042021224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15760602 (or 15760598 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

Adding to 255042042021224 its reverse (422120240240552), we get a palindrome (677162282261776).

The spelling of 255042042021224 in words is "two hundred fifty-five trillion, forty-two billion, forty-two million, twenty-one thousand, two hundred twenty-four".