3260256660 has 72 divisors (see below), whose sum is σ = 9894577056. Its totient is φ = 868950720.

The previous prime is 3260256581. The next prime is 3260256673. The reversal of 3260256660 is 666520623.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483915 + ... + 490605.

Almost surely, 2^3260256660 is an apocalyptic number.

3260256660 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3260256660 is an abundant number, since it is smaller than the sum of its proper divisors (6634320396).

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

3260256660 is a wasteful number, since it uses less digits than its factorization.

3260256660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9413 (or 9408 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 3260256660 is about 57098.6572521631. The cubic root of 3260256660 is about 1482.8046191554.

The spelling of 3260256660 in words is "three billion, two hundred sixty million, two hundred fifty-six thousand, six hundred sixty".