268943480 has 128 divisors (see below), whose sum is σ = 694310400. Its totient is φ = 92938752.

The previous prime is 268943473. The next prime is 268943483. The reversal of 268943480 is 84349862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268943483) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1610357 + ... + 1610523.

It is an arithmetic number, because the mean of its divisors is an integer number (5424300).

Almost surely, 2^268943480 is an apocalyptic number.

268943480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 268943480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (347155200).

268943480 is an abundant number, since it is smaller than the sum of its proper divisors (425366920).

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

268943480 is a wasteful number, since it uses less digits than its factorization.

268943480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 268943480 is about 16399.4963337293. The cubic root of 268943480 is about 645.4862667259.

The spelling of 268943480 in words is "two hundred sixty-eight million, nine hundred forty-three thousand, four hundred eighty".