65062240 has 48 divisors (see below), whose sum is σ = 154586880. Its totient is φ = 25876480.

The previous prime is 65062237. The next prime is 65062271. The reversal of 65062240 is 4226056.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29496 + ... + 31624.

It is an arithmetic number, because the mean of its divisors is an integer number (3220560).

Almost surely, 2^65062240 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 65062240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77293440).

65062240 is an abundant number, since it is smaller than the sum of its proper divisors (89524640).

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

65062240 is a wasteful number, since it uses less digits than its factorization.

65062240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335 (or 2327 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 65062240 is about 8066.1167856658. The cubic root of 65062240 is about 402.2008682379.

Adding to 65062240 its reverse (4226056), we get a palindrome (69288296).

The spelling of 65062240 in words is "sixty-five million, sixty-two thousand, two hundred forty".