255404104 has 32 divisors (see below), whose sum is σ = 485946720. Its totient is φ = 125830656.

The previous prime is 255404089. The next prime is 255404143. The reversal of 255404104 is 401404552.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219027 + ... + 220189.

It is an arithmetic number, because the mean of its divisors is an integer number (15185835).

Almost surely, 2^255404104 is an apocalyptic number.

It is an amenable number.

255404104 is a deficient number, since it is larger than the sum of its proper divisors (230542616).

255404104 is a wasteful number, since it uses less digits than its factorization.

255404104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1545 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 255404104 is about 15981.3674008202. The cubic root of 255404104 is about 634.4673682676.

Adding to 255404104 its reverse (401404552), we get a palindrome (656808656).

The spelling of 255404104 in words is "two hundred fifty-five million, four hundred four thousand, one hundred four".