65360340 has 72 divisors (see below), whose sum is σ = 199672200. Its totient is φ = 17305344.

The previous prime is 65360333. The next prime is 65360353. The reversal of 65360340 is 4306356.

65360340 is a `hidden beast` number, since 6 + 53 + 603 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 8749764 + 56610576 = 2958^2 + 7524^2 .

It is a zygodrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25602 + ... + 28038.

It is an arithmetic number, because the mean of its divisors is an integer number (2773225).

Almost surely, 2^65360340 is an apocalyptic number.

65360340 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 65360340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99836100).

65360340 is an abundant number, since it is smaller than the sum of its proper divisors (134311860).

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

65360340 is a wasteful number, since it uses less digits than its factorization.

65360340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2601 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 65360340 is about 8084.5742002903. The cubic root of 65360340 is about 402.8141959866.

Adding to 65360340 its reverse (4306356), we get a palindrome (69666696).

The spelling of 65360340 in words is "sixty-five million, three hundred sixty thousand, three hundred forty".