268678190 has 48 divisors (see below), whose sum is σ = 540549936. Its totient is φ = 95356800.

The previous prime is 268678121. The next prime is 268678213. The reversal of 268678190 is 91876862.

It is a super-2 number, since 2×268678190² = 144375939563352200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 202730 + ... + 204050.

It is an arithmetic number, because the mean of its divisors is an integer number (11261457).

Almost surely, 2^268678190 is an apocalyptic number.

268678190 is an abundant number, since it is smaller than the sum of its proper divisors (271871746).

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

268678190 is a wasteful number, since it uses less digits than its factorization.

268678190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1425 (or 1382 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 47.

The square root of 268678190 is about 16391.4059799640. The cubic root of 268678190 is about 645.2739576966.

The spelling of 268678190 in words is "two hundred sixty-eight million, six hundred seventy-eight thousand, one hundred ninety".