255404236 has 12 divisors (see below), whose sum is σ = 466390512. Its totient is φ = 122149808.

The previous prime is 255404231. The next prime is 255404267. The reversal of 255404236 is 632404552.

255404236 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 255404198 and 255404207.

It is not an unprimeable number, because it can be changed into a prime (255404231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1387975 + ... + 1388158.

It is an arithmetic number, because the mean of its divisors is an integer number (38865876).

Almost surely, 2^255404236 is an apocalyptic number.

It is an amenable number.

255404236 is a deficient number, since it is larger than the sum of its proper divisors (210986276).

255404236 is a wasteful number, since it uses less digits than its factorization.

255404236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2776160 (or 2776158 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 255404236 is about 15981.3715306290. The cubic root of 255404236 is about 634.4674775711.

Adding to 255404236 its reverse (632404552), we get a palindrome (887808788).

The spelling of 255404236 in words is "two hundred fifty-five million, four hundred four thousand, two hundred thirty-six".