255050240 has 80 divisors (see below), whose sum is σ = 621067392. Its totient is φ = 100429824.

The previous prime is 255050239. The next prime is 255050261. The reversal of 255050240 is 42050552.

It is a tau number, because it is divible by the number of its divisors (80).

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 7 ways as a sum of consecutive naturals, for example, 170777 + ... + 172263.

Almost surely, 2^255050240 is an apocalyptic number.

255050240 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 255050240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (310533696).

255050240 is an abundant number, since it is smaller than the sum of its proper divisors (366017152).

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

255050240 is an equidigital number, since it uses as much as digits as its factorization.

255050240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1577 (or 1561 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 255050240 is about 15970.2924206165. The cubic root of 255050240 is about 634.1742133206.

The spelling of 255050240 in words is "two hundred fifty-five million, fifty thousand, two hundred forty".