255611144 has 16 divisors (see below), whose sum is σ = 500109120. Its totient is φ = 122248720.

The previous prime is 255611143. The next prime is 255611177. The reversal of 255611144 is 441116552.

It is not an unprimeable number, because it can be changed into a prime (255611143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 694412 + ... + 694779.

It is an arithmetic number, because the mean of its divisors is an integer number (31256820).

Almost surely, 2^255611144 is an apocalyptic number.

It is an amenable number.

255611144 is a deficient number, since it is larger than the sum of its proper divisors (244497976).

255611144 is a wasteful number, since it uses less digits than its factorization.

255611144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389220 (or 1389216 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 255611144 is about 15987.8436319599. The cubic root of 255611144 is about 634.6387628573.

Adding to 255611144 its reverse (441116552), we get a palindrome (696727696).

The spelling of 255611144 in words is "two hundred fifty-five million, six hundred eleven thousand, one hundred forty-four".