3264861071728 has 120 divisors (see below), whose sum is σ = 6615354951296. Its totient is φ = 1559300198400.

The previous prime is 3264861071669. The next prime is 3264861071737. The reversal of 3264861071728 is 8271701684623.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1754357518 + ... + 1754359378.

Almost surely, 2^{3264861071728} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3264861071728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3307677475648).

3264861071728 is an abundant number, since it is smaller than the sum of its proper divisors (3350493879568).

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

3264861071728 is a wasteful number, since it uses less digits than its factorization.

3264861071728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403 (or 2284 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 55.

The spelling of 3264861071728 in words is "three trillion, two hundred sixty-four billion, eight hundred sixty-one million, seventy-one thousand, seven hundred twenty-eight".