255889555441 has 16 divisors (see below), whose sum is σ = 290607688000. Its totient is φ = 223364651328.

The previous prime is 255889555423. The next prime is 255889555451. The reversal of 255889555441 is 144555988552.

It is not a de Polignac number, because 255889555441 - 2⁵ = 255889555409 is a prime.

It is a super-2 number, since 2×255889555441² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 255889555441.

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

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 15 ways as a sum of consecutive naturals, for example, 811866 + ... + 1082083.

It is an arithmetic number, because the mean of its divisors is an integer number (18162980500).

Almost surely, 2^255889555441 is an apocalyptic number.

It is an amenable number.

255889555441 is a deficient number, since it is larger than the sum of its proper divisors (34718132559).

255889555441 is a wasteful number, since it uses less digits than its factorization.

255889555441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1894528.

The product of its digits is 57600000, while the sum is 61.

The spelling of 255889555441 in words is "two hundred fifty-five billion, eight hundred eighty-nine million, five hundred fifty-five thousand, four hundred forty-one".