255863416 has 32 divisors (see below), whose sum is σ = 494524800. Its totient is φ = 124034400.

The previous prime is 255863407. The next prime is 255863423. The reversal of 255863416 is 614368552.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent 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, 45141 + ... + 50491.

It is an arithmetic number, because the mean of its divisors is an integer number (15453900).

Almost surely, 2^255863416 is an apocalyptic number.

It is an amenable number.

255863416 is a deficient number, since it is larger than the sum of its proper divisors (238661384).

255863416 is a wasteful number, since it uses less digits than its factorization.

255863416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5539 (or 5535 counting only the distinct ones).

The product of its digits is 172800, while the sum is 40.

The square root of 255863416 is about 15995.7311805369. The cubic root of 255863416 is about 634.8474769562.

The spelling of 255863416 in words is "two hundred fifty-five million, eight hundred sixty-three thousand, four hundred sixteen".