268928480 has 24 divisors (see below), whose sum is σ = 635343912. Its totient is φ = 107571328.

The previous prime is 268928479. The next prime is 268928483. The reversal of 268928480 is 84829862.

It is a super-2 number, since 2×268928480² = 144645054710220800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268928483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 840242 + ... + 840561.

It is an arithmetic number, because the mean of its divisors is an integer number (26472663).

Almost surely, 2^268928480 is an apocalyptic number.

268928480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268928480 is an abundant number, since it is smaller than the sum of its proper divisors (366415432).

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

268928480 is a wasteful number, since it uses less digits than its factorization.

268928480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680818 (or 1680810 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 268928480 is about 16399.0389962339. The cubic root of 268928480 is about 645.4742660954.

The spelling of 268928480 in words is "two hundred sixty-eight million, nine hundred twenty-eight thousand, four hundred eighty".