3259855920 has 80 divisors (see below), whose sum is σ = 10111040352. Its totient is φ = 868823040.

The previous prime is 3259855919. The next prime is 3259855957. The reversal of 3259855920 is 295589523.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3259855920.

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 15 ways as a sum of consecutive naturals, for example, 857544 + ... + 861336.

Almost surely, 2^3259855920 is an apocalyptic number.

3259855920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3259855920 is an abundant number, since it is smaller than the sum of its proper divisors (6851184432).

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

3259855920 is a wasteful number, since it uses less digits than its factorization.

3259855920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7390 (or 7384 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 48.

The square root of 3259855920 is about 57095.1479549707. The cubic root of 3259855920 is about 1482.7438628476.

The spelling of 3259855920 in words is "three billion, two hundred fifty-nine million, eight hundred fifty-five thousand, nine hundred twenty".