255365760 has 192 divisors, whose sum is σ = 882528480. Its totient is φ = 62779392.

The previous prime is 255365741. The next prime is 255365797. The reversal of 255365760 is 67563552.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 324087 + ... + 324873.

Almost surely, 2^255365760 is an apocalyptic number.

255365760 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 255365760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441264240).

255365760 is an abundant number, since it is smaller than the sum of its proper divisors (627162720).

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

255365760 is a wasteful number, since it uses less digits than its factorization.

255365760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835 (or 810 counting only the distinct ones).

The product of its (nonzero) digits is 189000, while the sum is 39.

The square root of 255365760 is about 15980.1677087570. The cubic root of 255365760 is about 634.4356156660.

The spelling of 255365760 in words is "two hundred fifty-five million, three hundred sixty-five thousand, seven hundred sixty".