268466740 has 12 divisors (see below), whose sum is σ = 563780196. Its totient is φ = 107386688.

The previous prime is 268466699. The next prime is 268466743. The reversal of 268466740 is 47664862.

It can be written as a sum of positive squares in 2 ways, for example, as 35354916 + 233111824 = 5946^2 + 15268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268466743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6711649 + ... + 6711688.

It is an arithmetic number, because the mean of its divisors is an integer number (46981683).

Almost surely, 2^268466740 is an apocalyptic number.

268466740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268466740 is an abundant number, since it is smaller than the sum of its proper divisors (295313456).

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

268466740 is a wasteful number, since it uses less digits than its factorization.

268466740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13423346 (or 13423344 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 43.

The square root of 268466740 is about 16384.9546840997. The cubic root of 268466740 is about 645.1046361902.

The spelling of 268466740 in words is "two hundred sixty-eight million, four hundred sixty-six thousand, seven hundred forty".