565276240 has 20 divisors (see below), whose sum is σ = 1314267444. Its totient is φ = 226110464.

The previous prime is 565276181. The next prime is 565276247. The reversal of 565276240 is 42672565.

It can be written as a sum of positive squares in 2 ways, for example, as 229946896 + 335329344 = 15164^2 + 18312^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 565276240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (565276247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3532897 + ... + 3533056.

Almost surely, 2^565276240 is an apocalyptic number.

It is an amenable number.

565276240 is an abundant number, since it is smaller than the sum of its proper divisors (748991204).

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

565276240 is a wasteful number, since it uses less digits than its factorization.

565276240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7065966 (or 7065960 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 565276240 is about 23775.5386900066. The cubic root of 565276240 is about 826.8376496249.

It can be divided in two parts, 565276 and 240, that added together give a triangular number (565516 = T₁₀₆₃).

The spelling of 565276240 in words is "five hundred sixty-five million, two hundred seventy-six thousand, two hundred forty".