268021960 has 32 divisors (see below), whose sum is σ = 604107000. Its totient is φ = 107020800.

The previous prime is 268021933. The next prime is 268022003. The reversal of 268021960 is 69120862.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 231709284 + 36312676 = 15222^2 + 6026^2 .

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

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, 18466 + ... + 29614.

Almost surely, 2^268021960 is an apocalyptic number.

268021960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268021960 is an abundant number, since it is smaller than the sum of its proper divisors (336085040).

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

268021960 is a wasteful number, since it uses less digits than its factorization.

268021960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761 (or 11757 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 268021960 is about 16371.3762402554. The cubic root of 268021960 is about 644.7481820509.

The spelling of 268021960 in words is "two hundred sixty-eight million, twenty-one thousand, nine hundred sixty".