255718470 has 64 divisors (see below), whose sum is σ = 720377856. Its totient is φ = 56868480.

The previous prime is 255718457. The next prime is 255718513. The reversal of 255718470 is 74817552.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8686 + ... + 24225.

It is an arithmetic number, because the mean of its divisors is an integer number (11255904).

Almost surely, 2^255718470 is an apocalyptic number.

255718470 is an abundant number, since it is smaller than the sum of its proper divisors (464659386).

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

255718470 is a wasteful number, since it uses less digits than its factorization.

255718470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32965.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 255718470 is about 15991.1997673721. The cubic root of 255718470 is about 634.7275744637.

The spelling of 255718470 in words is "two hundred fifty-five million, seven hundred eighteen thousand, four hundred seventy".