3256671220 has 48 divisors (see below), whose sum is σ = 7634265408. Its totient is φ = 1156700160.

The previous prime is 3256671191. The next prime is 3256671247. The reversal of 3256671220 is 221766523.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162669 + ... + 181588.

It is an arithmetic number, because the mean of its divisors is an integer number (159047196).

Almost surely, 2^3256671220 is an apocalyptic number.

It is an amenable number.

3256671220 is an abundant number, since it is smaller than the sum of its proper divisors (4377594188).

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

3256671220 is a wasteful number, since it uses less digits than its factorization.

3256671220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344320 (or 344318 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 3256671220 is about 57067.2517298669. The cubic root of 3256671220 is about 1482.2608524454.

It can be divided in two parts, 3256 and 671220, that added together give a palindrome (674476).

The spelling of 3256671220 in words is "three billion, two hundred fifty-six million, six hundred seventy-one thousand, two hundred twenty".