255602242 has 32 divisors (see below), whose sum is σ = 468332928. Its totient is φ = 102126336.

The previous prime is 255602239. The next prime is 255602257. The reversal of 255602242 is 242206552.

255602242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×255602242² = 130665012230853128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 255602242.

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, 20448 + ... + 30484.

It is an arithmetic number, because the mean of its divisors is an integer number (14635404).

Almost surely, 2^255602242 is an apocalyptic number.

255602242 is a deficient number, since it is larger than the sum of its proper divisors (212730686).

255602242 is a wasteful number, since it uses less digits than its factorization.

255602242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10170.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 255602242 is about 15987.5652305159. The cubic root of 255602242 is about 634.6313953905.

Adding to 255602242 its reverse (242206552), we get a palindrome (497808794).

The spelling of 255602242 in words is "two hundred fifty-five million, six hundred two thousand, two hundred forty-two".