255811944092 has 24 divisors (see below), whose sum is σ = 452885634432. Its totient is φ = 126423830000.

The previous prime is 255811944083. The next prime is 255811944103. The reversal of 255811944092 is 290449118552.

It is a self number, because there is not a number n which added to its sum of digits gives 255811944092.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840968 + ... + 1104015.

It is an arithmetic number, because the mean of its divisors is an integer number (18870234768).

Almost surely, 2^255811944092 is an apocalyptic number.

It is an amenable number.

255811944092 is a deficient number, since it is larger than the sum of its proper divisors (197073690340).

255811944092 is a wasteful number, since it uses less digits than its factorization.

255811944092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945369 (or 1945367 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 50.

The spelling of 255811944092 in words is "two hundred fifty-five billion, eight hundred eleven million, nine hundred forty-four thousand, ninety-two".