255144668 has 12 divisors (see below), whose sum is σ = 461900040. Its totient is φ = 123173232.

The previous prime is 255144667. The next prime is 255144679. The reversal of 255144668 is 866441552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255144667) 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, 1099646 + ... + 1099877.

It is an arithmetic number, because the mean of its divisors is an integer number (38491670).

Almost surely, 2^255144668 is an apocalyptic number.

It is an amenable number.

255144668 is a deficient number, since it is larger than the sum of its proper divisors (206755372).

255144668 is a wasteful number, since it uses less digits than its factorization.

255144668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199556 (or 2199554 counting only the distinct ones).

The product of its digits is 230400, while the sum is 41.

The square root of 255144668 is about 15973.2485111827. The cubic root of 255144668 is about 634.2524677249.

The spelling of 255144668 in words is "two hundred fifty-five million, one hundred forty-four thousand, six hundred sixty-eight".