3255965520 has 40 divisors (see below), whose sum is σ = 10093493856. Its totient is φ = 868257408.

The previous prime is 3255965501. The next prime is 3255965521. The reversal of 3255965520 is 255695523.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×3255965520² = 21202622934857740800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3255965521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6783022 + ... + 6783501.

Almost surely, 2^3255965520 is an apocalyptic number.

3255965520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3255965520 is an abundant number, since it is smaller than the sum of its proper divisors (6837528336).

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

3255965520 is a wasteful number, since it uses less digits than its factorization.

3255965520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13566539 (or 13566533 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 3255965520 is about 57061.0683391049. The cubic root of 3255965520 is about 1482.1537792022.

The spelling of 3255965520 in words is "three billion, two hundred fifty-five million, nine hundred sixty-five thousand, five hundred twenty".