665024260 has 48 divisors (see below), whose sum is σ = 1423033920. Its totient is φ = 261014400.

The previous prime is 665024237. The next prime is 665024281. The reversal of 665024260 is 62420566.

665024260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 231835 + ... + 234685.

It is an arithmetic number, because the mean of its divisors is an integer number (29646540).

Almost surely, 2^665024260 is an apocalyptic number.

It is an amenable number.

665024260 is an abundant number, since it is smaller than the sum of its proper divisors (758009660).

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

665024260 is a wasteful number, since it uses less digits than its factorization.

665024260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 665024260 is about 25788.0642933897. The cubic root of 665024260 is about 872.8624876183.

The spelling of 665024260 in words is "six hundred sixty-five million, twenty-four thousand, two hundred sixty".