255402304 has 112 divisors (see below), whose sum is σ = 567659520. Its totient is φ = 113541120.

The previous prime is 255402299. The next prime is 255402307. The reversal of 255402304 is 403204552.

255402304 = 206² + 207² + ... + 918².

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255402307) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1323232 + ... + 1323424.

Almost surely, 2^255402304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255402304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283829760).

255402304 is an abundant number, since it is smaller than the sum of its proper divisors (312257216).

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

255402304 is a wasteful number, since it uses less digits than its factorization.

255402304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 255402304 is about 15981.3110851394. The cubic root of 255402304 is about 634.4658777618.

Adding to 255402304 its reverse (403204552), we get a palindrome (658606856).

The spelling of 255402304 in words is "two hundred fifty-five million, four hundred two thousand, three hundred four".