268458780 has 48 divisors (see below), whose sum is σ = 765876384. Its totient is φ = 70237440.

The previous prime is 268458767. The next prime is 268458797. The reversal of 268458780 is 87854862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39031 + ... + 45390.

It is an arithmetic number, because the mean of its divisors is an integer number (15955758).

Almost surely, 2^268458780 is an apocalyptic number.

268458780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268458780 is an abundant number, since it is smaller than the sum of its proper divisors (497417604).

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

268458780 is a wasteful number, since it uses less digits than its factorization.

268458780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84486 (or 84484 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The square root of 268458780 is about 16384.7117765312. The cubic root of 268458780 is about 645.0982603741.

The spelling of 268458780 in words is "two hundred sixty-eight million, four hundred fifty-eight thousand, seven hundred eighty".