65482280 has 64 divisors (see below), whose sum is σ = 153204480. Its totient is φ = 25171200.

The previous prime is 65482279. The next prime is 65482297. The reversal of 65482280 is 8228456.

It is a self number, because there is not a number n which added to its sum of digits gives 65482280.

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, 114395 + ... + 114965.

It is an arithmetic number, because the mean of its divisors is an integer number (2393820).

Almost surely, 2^65482280 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 65482280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76602240).

65482280 is an abundant number, since it is smaller than the sum of its proper divisors (87722200).

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

65482280 is a wasteful number, since it uses less digits than its factorization.

65482280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The square root of 65482280 is about 8092.1122088117. The cubic root of 65482280 is about 403.0645447871.

The spelling of 65482280 in words is "sixty-five million, four hundred eighty-two thousand, two hundred eighty".