255882242 has 32 divisors (see below), whose sum is σ = 480743424. Its totient is φ = 99234000.

The previous prime is 255882239. The next prime is 255882247. The reversal of 255882242 is 242288552.

It is a junction number, because it is equal to n+sod(n) for n = 255882196 and 255882205.

It is not an unprimeable number, because it can be changed into a prime (255882247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30617 + ... + 38067.

It is an arithmetic number, because the mean of its divisors is an integer number (15023232).

Almost surely, 2^255882242 is an apocalyptic number.

255882242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255882242 is a deficient number, since it is larger than the sum of its proper divisors (224861182).

255882242 is a wasteful number, since it uses less digits than its factorization.

255882242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7694.

The product of its digits is 102400, while the sum is 38.

The square root of 255882242 is about 15996.3196392170. The cubic root of 255882242 is about 634.8630469110.

The spelling of 255882242 in words is "two hundred fifty-five million, eight hundred eighty-two thousand, two hundred forty-two".