240498065 has 16 divisors (see below), whose sum is σ = 306691920. Its totient is φ = 180418560.

The previous prime is 240498043. The next prime is 240498077. The reversal of 240498065 is 560894042.

It is a Cunningham number, because it is equal to 15508²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 341056 + 240157009 = 584^2 + 15497^2 .

It is not a de Polignac number, because 240498065 - 2¹⁸ = 240235921 is a prime.

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, 18851 + ... + 28919.

It is an arithmetic number, because the mean of its divisors is an integer number (19168245).

Almost surely, 2^240498065 is an apocalyptic number.

It is an amenable number.

240498065 is a deficient number, since it is larger than the sum of its proper divisors (66193855).

240498065 is a wasteful number, since it uses less digits than its factorization.

240498065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10372.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 240498065 is about 15508.0000322414. Note that the first 4 decimals coincide. The cubic root of 240498065 is about 621.8760940866.

The spelling of 240498065 in words is "two hundred forty million, four hundred ninety-eight thousand, sixty-five".