264240868 has 6 divisors (see below), whose sum is σ = 462421526. Its totient is φ = 132120432.

The previous prime is 264240863. The next prime is 264240917. The reversal of 264240868 is 868042462.

It can be written as a sum of positive squares in only one way, i.e., 174028864 + 90212004 = 13192^2 + 9498^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 264240868.

It is not an unprimeable number, because it can be changed into a prime (264240863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33030105 + ... + 33030112.

Almost surely, 2^264240868 is an apocalyptic number.

It is an amenable number.

264240868 is a deficient number, since it is larger than the sum of its proper divisors (198180658).

264240868 is a wasteful number, since it uses less digits than its factorization.

264240868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66060221 (or 66060219 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 40.

The square root of 264240868 is about 16255.4873196715. The cubic root of 264240868 is about 641.7019057801.

The spelling of 264240868 in words is "two hundred sixty-four million, two hundred forty thousand, eight hundred sixty-eight".