255102378 has 8 divisors (see below), whose sum is σ = 510204768. Its totient is φ = 85034124.

The previous prime is 255102377. The next prime is 255102431. The reversal of 255102378 is 873201552.

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

255102378 is an admirable number.

It is a super-2 number, since 2×255102378² = 130154446522509768, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (255102377) 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, 21258526 + ... + 21258537.

It is an arithmetic number, because the mean of its divisors is an integer number (63775596).

Almost surely, 2^255102378 is an apocalyptic number.

255102378 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.

255102378 is a wasteful number, since it uses less digits than its factorization.

255102378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42517068.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 255102378 is about 15971.9246805136. The cubic root of 255102378 is about 634.2174235294.

The spelling of 255102378 in words is "two hundred fifty-five million, one hundred two thousand, three hundred seventy-eight".