255806046 has 32 divisors (see below), whose sum is σ = 593176320. Its totient is φ = 81560952.

The previous prime is 255805999. The next prime is 255806059. The reversal of 255806046 is 640608552.

255806046 is a `hidden beast` number, since 2 + 558 + 0 + 60 + 46 = 666.

255806046 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 255806046.

It is a congruent number.

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, 101740 + ... + 104223.

It is an arithmetic number, because the mean of its divisors is an integer number (18536760).

Almost surely, 2^255806046 is an apocalyptic number.

255806046 is an abundant number, since it is smaller than the sum of its proper divisors (337370274).

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

255806046 is a wasteful number, since it uses less digits than its factorization.

255806046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205997 (or 205991 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 255806046 is about 15993.9377890499. The cubic root of 255806046 is about 634.8000246569.

It can be divided in two parts, 25580 and 6046, that added together give a triangular number (31626 = T₂₅₁).

The spelling of 255806046 in words is "two hundred fifty-five million, eight hundred six thousand, forty-six".