268766580 has 24 divisors (see below), whose sum is σ = 752546592. Its totient is φ = 71671072.

The previous prime is 268766567. The next prime is 268766591. The reversal of 268766580 is 85667862.

It is a congruent number.

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, 2239662 + ... + 2239781.

It is an arithmetic number, because the mean of its divisors is an integer number (31356108).

Almost surely, 2^268766580 is an apocalyptic number.

268766580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268766580 is an abundant number, since it is smaller than the sum of its proper divisors (483780012).

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

268766580 is a wasteful number, since it uses less digits than its factorization.

268766580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4479455 (or 4479453 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 48.

The square root of 268766580 is about 16394.1019882152. The cubic root of 268766580 is about 645.3447108800.

The spelling of 268766580 in words is "two hundred sixty-eight million, seven hundred sixty-six thousand, five hundred eighty".