264424668 has 96 divisors (see below), whose sum is σ = 667484160. Its totient is φ = 81285120.

The previous prime is 264424649. The next prime is 264424709. The reversal of 264424668 is 866424462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369980 + ... + 1370172.

It is an arithmetic number, because the mean of its divisors is an integer number (6952960).

Almost surely, 2^264424668 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 264424668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333742080).

264424668 is an abundant number, since it is smaller than the sum of its proper divisors (403059492).

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

264424668 is a wasteful number, since it uses less digits than its factorization.

264424668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its digits is 442368, while the sum is 42.

The square root of 264424668 is about 16261.1398124486. The cubic root of 264424668 is about 641.8506557636.

The spelling of 264424668 in words is "two hundred sixty-four million, four hundred twenty-four thousand, six hundred sixty-eight".