255494994 has 32 divisors (see below), whose sum is σ = 550416384. Its totient is φ = 78833040.

The previous prime is 255494983. The next prime is 255495001. The reversal of 255494994 is 499494552.

It is a Curzon 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, 25584 + ... + 34139.

It is an arithmetic number, because the mean of its divisors is an integer number (17200512).

Almost surely, 2^255494994 is an apocalyptic number.

255494994 is an abundant number, since it is smaller than the sum of its proper divisors (294921390).

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

255494994 is a wasteful number, since it uses less digits than its factorization.

255494994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59782.

The product of its digits is 2332800, while the sum is 51.

The square root of 255494994 is about 15984.2107718836. The cubic root of 255494994 is about 634.5426214305.

The spelling of 255494994 in words is "two hundred fifty-five million, four hundred ninety-four thousand, nine hundred ninety-four".