3260345728 has 32 divisors (see below), whose sum is σ = 6542665560. Its totient is φ = 1618265088.

The previous prime is 3260345713. The next prime is 3260345729. The reversal of 3260345728 is 8275430623.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3260345729) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 75426 + ... + 110497.

Almost surely, 2^3260345728 is an apocalyptic number.

It is an amenable number.

3260345728 is an abundant number, since it is smaller than the sum of its proper divisors (3282319832).

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

3260345728 is a wasteful number, since it uses less digits than its factorization.

3260345728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186074 (or 186062 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 3260345728 is about 57099.4371951248. The cubic root of 3260345728 is about 1482.8181221045.

The spelling of 3260345728 in words is "three billion, two hundred sixty million, three hundred forty-five thousand, seven hundred twenty-eight".