255606610445 has 8 divisors (see below), whose sum is σ = 306731234040. Its totient is φ = 204483087360.

The previous prime is 255606610403. The next prime is 255606610477. The reversal of 255606610445 is 544016606552.

It can be written as a sum of positive squares in 4 ways, for example, as 8427607204 + 247179003241 = 91802^2 + 497171^2 .

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

It is not a de Polignac number, because 255606610445 - 2⁶ = 255606610381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255606610396 and 255606610405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375905 + ... + 807785.

It is an arithmetic number, because the mean of its divisors is an integer number (38341404255).

Almost surely, 2^255606610445 is an apocalyptic number.

It is an amenable number.

255606610445 is a deficient number, since it is larger than the sum of its proper divisors (51124623595).

255606610445 is a wasteful number, since it uses less digits than its factorization.

255606610445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550255.

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 255606610445 in words is "two hundred fifty-five billion, six hundred six million, six hundred ten thousand, four hundred forty-five".