255780950 has 12 divisors (see below), whose sum is σ = 475752660. Its totient is φ = 102312360.

The previous prime is 255780947. The next prime is 255780961. The reversal of 255780950 is 59087552.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 255780898 and 255780907.

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 5 ways as a sum of consecutive naturals, for example, 2557760 + ... + 2557859.

It is an arithmetic number, because the mean of its divisors is an integer number (39646055).

Almost surely, 2^255780950 is an apocalyptic number.

255780950 is a deficient number, since it is larger than the sum of its proper divisors (219971710).

255780950 is a wasteful number, since it uses less digits than its factorization.

255780950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5115631 (or 5115626 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The square root of 255780950 is about 15993.1532225512. The cubic root of 255780950 is about 634.7792648368.

The spelling of 255780950 in words is "two hundred fifty-five million, seven hundred eighty thousand, nine hundred fifty".