255238066944 has 216 divisors, whose sum is σ = 841698923520. Its totient is φ = 72868460544.

The previous prime is 255238066933. The next prime is 255238066969. The reversal of 255238066944 is 449660832552.

255238066944 is a `hidden beast` number, since 2 + 552 + 3 + 80 + 6 + 6 + 9 + 4 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23525329 + ... + 23536175.

Almost surely, 2^255238066944 is an apocalyptic number.

255238066944 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255238066944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420849461760).

255238066944 is an abundant number, since it is smaller than the sum of its proper divisors (586460856576).

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

255238066944 is a wasteful number, since it uses less digits than its factorization.

255238066944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12335 (or 12318 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 54.

The spelling of 255238066944 in words is "two hundred fifty-five billion, two hundred thirty-eight million, sixty-six thousand, nine hundred forty-four".