268904418 has 16 divisors (see below), whose sum is σ = 546924960. Its totient is φ = 88115456.

The previous prime is 268904407. The next prime is 268904459. The reversal of 268904418 is 814409862.

It is a super-3 number, since 3×268904418³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 268904418.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379455 + ... + 380162.

It is an arithmetic number, because the mean of its divisors is an integer number (34182810).

Almost surely, 2^268904418 is an apocalyptic number.

268904418 is an abundant number, since it is smaller than the sum of its proper divisors (278020542).

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

268904418 is a wasteful number, since it uses less digits than its factorization.

268904418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759681.

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 268904418 is about 16398.3053392721. The cubic root of 268904418 is about 645.4550145518.

The spelling of 268904418 in words is "two hundred sixty-eight million, nine hundred four thousand, four hundred eighteen".