255750240 has 96 divisors (see below), whose sum is σ = 824414976. Its totient is φ = 66608640.

The previous prime is 255750239. The next prime is 255750263. The reversal of 255750240 is 42057552.

255750240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 255750198 and 255750207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14445 + ... + 26835.

It is an arithmetic number, because the mean of its divisors is an integer number (8587656).

Almost surely, 2^255750240 is an apocalyptic number.

255750240 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 255750240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412207488).

255750240 is an abundant number, since it is smaller than the sum of its proper divisors (568664736).

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

255750240 is a wasteful number, since it uses less digits than its factorization.

255750240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12452 (or 12444 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 255750240 is about 15992.1930953825. The cubic root of 255750240 is about 634.7538591770.

The spelling of 255750240 in words is "two hundred fifty-five million, seven hundred fifty thousand, two hundred forty".