260565330 has 32 divisors (see below), whose sum is σ = 631209024. Its totient is φ = 68833856.

The previous prime is 260565293. The next prime is 260565407. The reversal of 260565330 is 33565062.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 37377 + ... + 43796.

It is an arithmetic number, because the mean of its divisors is an integer number (19725282).

Almost surely, 2^260565330 is an apocalyptic number.

260565330 is an abundant number, since it is smaller than the sum of its proper divisors (370643694).

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

260565330 is a wasteful number, since it uses less digits than its factorization.

260565330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81290.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 260565330 is about 16142.0361169216. The cubic root of 260565330 is about 638.7126874675.

The spelling of 260565330 in words is "two hundred sixty million, five hundred sixty-five thousand, three hundred thirty".