268020918 has 24 divisors (see below), whose sum is σ = 633504456. Its totient is φ = 81218400.

The previous prime is 268020901. The next prime is 268020959. The reversal of 268020918 is 819020862.

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, 676623 + ... + 677018.

It is an arithmetic number, because the mean of its divisors is an integer number (26396019).

Almost surely, 2^268020918 is an apocalyptic number.

268020918 is an abundant number, since it is smaller than the sum of its proper divisors (365483538).

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

268020918 is a wasteful number, since it uses less digits than its factorization.

268020918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353660 (or 1353657 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 268020918 is about 16371.3444163880. The cubic root of 268020918 is about 644.7473465118.

The spelling of 268020918 in words is "two hundred sixty-eight million, twenty thousand, nine hundred eighteen".