65282240 has 28 divisors (see below), whose sum is σ = 155454096. Its totient is φ = 26112768.

The previous prime is 65282237. The next prime is 65282251. The reversal of 65282240 is 4228256.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101684 + ... + 102323.

It is an arithmetic number, because the mean of its divisors is an integer number (5551932).

Almost surely, 2^65282240 is an apocalyptic number.

It is an amenable number.

65282240 is an abundant number, since it is smaller than the sum of its proper divisors (90171856).

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

65282240 is a wasteful number, since it uses less digits than its factorization.

65282240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204024 (or 204014 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 65282240 is about 8079.7425701566. The cubic root of 65282240 is about 402.6536892347.

The spelling of 65282240 in words is "sixty-five million, two hundred eighty-two thousand, two hundred forty".