255140278816 has 24 divisors (see below), whose sum is σ = 502757187660. Its totient is φ = 127455913728.

The previous prime is 255140278801. The next prime is 255140278819. The reversal of 255140278816 is 618872041552.

255140278816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 182346080400 + 72794198416 = 427020^2 + 269804^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 255140278816.

It is not an unprimeable number, because it can be changed into a prime (255140278819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3533251 + ... + 3604738.

Almost surely, 2^255140278816 is an apocalyptic number.

It is an amenable number.

255140278816 is a deficient number, since it is larger than the sum of its proper divisors (247616908844).

255140278816 is a wasteful number, since it uses less digits than its factorization.

255140278816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139116 (or 7139108 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 49.

The spelling of 255140278816 in words is "two hundred fifty-five billion, one hundred forty million, two hundred seventy-eight thousand, eight hundred sixteen".