65360240 has 120 divisors (see below), whose sum is σ = 176787792. Its totient is φ = 22282240.

The previous prime is 65360237. The next prime is 65360261. The reversal of 65360240 is 4206356.

65360240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 254192 + ... + 254448.

Almost surely, 2^65360240 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 65360240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88393896).

65360240 is an abundant number, since it is smaller than the sum of its proper divisors (111427552).

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

65360240 is a wasteful number, since it uses less digits than its factorization.

65360240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 65360240 is about 8084.5680156703. The cubic root of 65360240 is about 402.8139905539.

Adding to 65360240 its reverse (4206356), we get a palindrome (69566596).

The spelling of 65360240 in words is "sixty-five million, three hundred sixty thousand, two hundred forty".