255804190 has 8 divisors (see below), whose sum is σ = 460447560. Its totient is φ = 102321672.

The previous prime is 255804181. The next prime is 255804193. The reversal of 255804190 is 91408552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×255804190² = 130871567243112200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255804193) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12790200 + ... + 12790219.

It is an arithmetic number, because the mean of its divisors is an integer number (57555945).

Almost surely, 2^255804190 is an apocalyptic number.

255804190 is a deficient number, since it is larger than the sum of its proper divisors (204643370).

255804190 is a wasteful number, since it uses less digits than its factorization.

255804190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25580426.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 255804190 is about 15993.8797669609. The cubic root of 255804190 is about 634.7984893899.

The spelling of 255804190 in words is "two hundred fifty-five million, eight hundred four thousand, one hundred ninety".