255840651360 has 960 divisors, whose sum is σ = 1150226542080. Its totient is φ = 52135280640.

The previous prime is 255840651323. The next prime is 255840651371. The reversal of 255840651360 is 63156048552.

255840651360 is a `hidden beast` number, since 2 + 5 + 584 + 0 + 6 + 5 + 1 + 3 + 60 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 29298195 + ... + 29306925.

It is an arithmetic number, because the mean of its divisors is an integer number (1198152648).

Almost surely, 2^255840651360 is an apocalyptic number.

255840651360 is a gapful number since it is divisible by the number (20) 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 255840651360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575113271040).

255840651360 is an abundant number, since it is smaller than the sum of its proper divisors (894385890720).

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

255840651360 is a wasteful number, since it uses less digits than its factorization.

255840651360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8801 (or 8784 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 45.

The spelling of 255840651360 in words is "two hundred fifty-five billion, eight hundred forty million, six hundred fifty-one thousand, three hundred sixty".