268844980 has 12 divisors (see below), whose sum is σ = 564574500. Its totient is φ = 107537984.

The previous prime is 268844971. The next prime is 268845007. The reversal of 268844980 is 89448862.

It can be written as a sum of positive squares in 2 ways, for example, as 171191056 + 97653924 = 13084^2 + 9882^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6721105 + ... + 6721144.

It is an arithmetic number, because the mean of its divisors is an integer number (47047875).

Almost surely, 2^268844980 is an apocalyptic number.

268844980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268844980 is an abundant number, since it is smaller than the sum of its proper divisors (295729520).

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

268844980 is a wasteful number, since it uses less digits than its factorization.

268844980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13442258 (or 13442256 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 49.

The square root of 268844980 is about 16396.4929176943. The cubic root of 268844980 is about 645.4074544281.

The spelling of 268844980 in words is "two hundred sixty-eight million, eight hundred forty-four thousand, nine hundred eighty".