268047760 has 20 divisors (see below), whose sum is σ = 623211228. Its totient is φ = 107219072.

The previous prime is 268047719. The next prime is 268047779. The reversal of 268047760 is 67740862.

It can be written as a sum of positive squares in 2 ways, for example, as 160883856 + 107163904 = 12684^2 + 10352^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1675219 + ... + 1675378.

Almost surely, 2^268047760 is an apocalyptic number.

268047760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268047760 is an abundant number, since it is smaller than the sum of its proper divisors (355163468).

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

268047760 is a wasteful number, since it uses less digits than its factorization.

268047760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3350610 (or 3350604 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The square root of 268047760 is about 16372.1641819278. The cubic root of 268047760 is about 644.7688693724.

The spelling of 268047760 in words is "two hundred sixty-eight million, forty-seven thousand, seven hundred sixty".