255542320 has 60 divisors (see below), whose sum is σ = 653083200. Its totient is φ = 92920960.

The previous prime is 255542281. The next prime is 255542341. The reversal of 255542320 is 23245552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3520 + ... + 22879.

It is an arithmetic number, because the mean of its divisors is an integer number (10884720).

Almost surely, 2^255542320 is an apocalyptic number.

255542320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255542320 is an abundant number, since it is smaller than the sum of its proper divisors (397540880).

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

255542320 is a wasteful number, since it uses less digits than its factorization.

255542320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26434 (or 26417 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 255542320 is about 15985.6911017322. The cubic root of 255542320 is about 634.5817983365.

Adding to 255542320 its reverse (23245552), we get a palindrome (278787872).

The spelling of 255542320 in words is "two hundred fifty-five million, five hundred forty-two thousand, three hundred twenty".