255480378 has 8 divisors (see below), whose sum is σ = 510960768. Its totient is φ = 85160124.

The previous prime is 255480377. The next prime is 255480397. The reversal of 255480378 is 873084552.

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

255480378 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (255480377) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21290026 + ... + 21290037.

It is an arithmetic number, because the mean of its divisors is an integer number (63870096).

Almost surely, 2^255480378 is an apocalyptic number.

255480378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255480378 is a wasteful number, since it uses less digits than its factorization.

255480378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42580068.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 255480378 is about 15983.7535641663. The cubic root of 255480378 is about 634.5305211910.

The spelling of 255480378 in words is "two hundred fifty-five million, four hundred eighty thousand, three hundred seventy-eight".