268740580 has 12 divisors (see below), whose sum is σ = 564355260. Its totient is φ = 107496224.

The previous prime is 268740557. The next prime is 268740587. The reversal of 268740580 is 85047862.

It can be written as a sum of positive squares in 2 ways, for example, as 117548964 + 151191616 = 10842^2 + 12296^2 .

It is not an unprimeable number, because it can be changed into a prime (268740587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6718495 + ... + 6718534.

It is an arithmetic number, because the mean of its divisors is an integer number (47029605).

Almost surely, 2^268740580 is an apocalyptic number.

268740580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268740580 is an abundant number, since it is smaller than the sum of its proper divisors (295614680).

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

268740580 is a wasteful number, since it uses less digits than its factorization.

268740580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13437038 (or 13437036 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 268740580 is about 16393.3090009308. The cubic root of 268740580 is about 645.3239003765.

The spelling of 268740580 in words is "two hundred sixty-eight million, seven hundred forty thousand, five hundred eighty".