268490792 has 48 divisors (see below), whose sum is σ = 545918940. Its totient is φ = 123322368.

The previous prime is 268490779. The next prime is 268490797. The reversal of 268490792 is 297094862.

It can be written as a sum of positive squares in 6 ways, for example, as 131928196 + 136562596 = 11486^2 + 11686^2 .

It is a super-3 number, since 3×268490792³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (268490797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1391048 + ... + 1391240.

Almost surely, 2^268490792 is an apocalyptic number.

It is an amenable number.

268490792 is an abundant number, since it is smaller than the sum of its proper divisors (277428148).

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

268490792 is a wasteful number, since it uses less digits than its factorization.

268490792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 268490792 is about 16385.6886336827. The cubic root of 268490792 is about 645.1239006415.

The spelling of 268490792 in words is "two hundred sixty-eight million, four hundred ninety thousand, seven hundred ninety-two".