255889555452 has 18 divisors (see below), whose sum is σ = 646831931928. Its totient is φ = 85296518472.

The previous prime is 255889555451. The next prime is 255889555457. The reversal of 255889555452 is 254555988552.

It is a happy number.

255889555452 is a `hidden beast` number, since 2 + 5 + 5 + 8 + 89 + 5 + 5 + 545 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 255889555452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255889555451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3554021568 + ... + 3554021639.

Almost surely, 2^255889555452 is an apocalyptic number.

It is an amenable number.

255889555452 is an abundant number, since it is smaller than the sum of its proper divisors (390942376476).

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

255889555452 is a wasteful number, since it uses less digits than its factorization.

255889555452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7108043217 (or 7108043212 counting only the distinct ones).

The product of its digits is 144000000, while the sum is 63.

The spelling of 255889555452 in words is "two hundred fifty-five billion, eight hundred eighty-nine million, five hundred fifty-five thousand, four hundred fifty-two".