268489464 has 64 divisors (see below), whose sum is σ = 693411840. Its totient is φ = 86567040.

The previous prime is 268489433. The next prime is 268489477. The reversal of 268489464 is 464984862.

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, 168817 + ... + 170399.

It is an arithmetic number, because the mean of its divisors is an integer number (10834560).

Almost surely, 2^268489464 is an apocalyptic number.

268489464 is a gapful number since it is divisible by the number (24) 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 268489464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346705920).

268489464 is an abundant number, since it is smaller than the sum of its proper divisors (424922376).

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

268489464 is a wasteful number, since it uses less digits than its factorization.

268489464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1820 (or 1816 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 51.

The square root of 268489464 is about 16385.6481104655. The cubic root of 268489464 is about 645.1228370098.

The spelling of 268489464 in words is "two hundred sixty-eight million, four hundred eighty-nine thousand, four hundred sixty-four".