494178255 has 12 divisors (see below), whose sum is σ = 856575720. Its totient is φ = 263561712.

The previous prime is 494178233. The next prime is 494178281. The reversal of 494178255 is 552871494.

It is not a de Polignac number, because 494178255 - 2¹⁶ = 494112719 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10981739 = 494178255 / (4 + 9 + 4 + 1 + 7 + 8 + 2 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 494178255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5490825 + ... + 5490914.

It is an arithmetic number, because the mean of its divisors is an integer number (71381310).

Almost surely, 2^494178255 is an apocalyptic number.

494178255 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

494178255 is a deficient number, since it is larger than the sum of its proper divisors (362397465).

494178255 is a wasteful number, since it uses less digits than its factorization.

494178255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10981750 (or 10981747 counting only the distinct ones).

The product of its digits is 403200, while the sum is 45.

The square root of 494178255 is about 22230.1204450178. The cubic root of 494178255 is about 790.6080108104.

The spelling of 494178255 in words is "four hundred ninety-four million, one hundred seventy-eight thousand, two hundred fifty-five".