255446665750776 has 256 divisors, whose sum is σ = 750207484800000. Its totient is φ = 71921119076352.

The previous prime is 255446665750763. The next prime is 255446665750819. The reversal of 255446665750776 is 677057566644552.

It is a junction number, because it is equal to n+sod(n) for n = 255446665750698 and 255446665750707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1195125 + ... + 22634523.

It is an arithmetic number, because the mean of its divisors is an integer number (2930497987500).

Almost surely, 2^{255446665750776} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255446665750776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (375103742400000).

255446665750776 is an abundant number, since it is smaller than the sum of its proper divisors (494760819049224).

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

255446665750776 is a wasteful number, since it uses less digits than its factorization.

255446665750776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21439526 (or 21439522 counting only the distinct ones).

The product of its (nonzero) digits is 8890560000, while the sum is 75.

The spelling of 255446665750776 in words is "two hundred fifty-five trillion, four hundred forty-six billion, six hundred sixty-five million, seven hundred fifty thousand, seven hundred seventy-six".