268516464 has 40 divisors (see below), whose sum is σ = 698979072. Its totient is φ = 88820160.

The previous prime is 268516463. The next prime is 268516477. The reversal of 268516464 is 464615862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268516463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15064 + ... + 27639.

Almost surely, 2^268516464 is an apocalyptic number.

268516464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

268516464 is an abundant number, since it is smaller than the sum of its proper divisors (430462608).

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

268516464 is a wasteful number, since it uses less digits than its factorization.

268516464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42845 (or 42839 counting only the distinct ones).

The product of its digits is 276480, while the sum is 42.

The square root of 268516464 is about 16386.4719814852. The cubic root of 268516464 is about 645.1444613627.

The spelling of 268516464 in words is "two hundred sixty-eight million, five hundred sixteen thousand, four hundred sixty-four".