255355434004445 has 8 divisors (see below), whose sum is σ = 306441949479000. Its totient is φ = 204274061421120.

The previous prime is 255355434004439. The next prime is 255355434004501. The reversal of 255355434004445 is 544400434553552.

It can be written as a sum of positive squares in 4 ways, for example, as 3128023778884 + 252227410225561 = 1768622^2 + 15881669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255355434004445 - 2²⁰ = 255355432955869 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1285613570 + ... + 1285812179.

It is an arithmetic number, because the mean of its divisors is an integer number (38305243684875).

Almost surely, 2^{255355434004445} is an apocalyptic number.

It is an amenable number.

255355434004445 is a deficient number, since it is larger than the sum of its proper divisors (51086515474555).

255355434004445 is a wasteful number, since it uses less digits than its factorization.

255355434004445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2571445615.

The product of its (nonzero) digits is 57600000, while the sum is 53.

Adding to 255355434004445 its reverse (544400434553552), we get a palindrome (799755868557997).

The spelling of 255355434004445 in words is "two hundred fifty-five trillion, three hundred fifty-five billion, four hundred thirty-four million, four thousand, four hundred forty-five".