255340790 has 16 divisors (see below), whose sum is σ = 467404560. Its totient is φ = 100404960.

The previous prime is 255340783. The next prime is 255340793. The reversal of 255340790 is 97043552.

It is a self number, because there is not a number n which added to its sum of digits gives 255340790.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255340793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215801 + ... + 216980.

It is an arithmetic number, because the mean of its divisors is an integer number (29212785).

Almost surely, 2^255340790 is an apocalyptic number.

255340790 is a deficient number, since it is larger than the sum of its proper divisors (212063770).

255340790 is a wasteful number, since it uses less digits than its factorization.

255340790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432847.

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 255340790 is about 15979.3864087455. The cubic root of 255340790 is about 634.4149363422.

The spelling of 255340790 in words is "two hundred fifty-five million, three hundred forty thousand, seven hundred ninety".