3261220046256 has 40 divisors (see below), whose sum is σ = 8715329437680. Its totient is φ = 1049588060416.

The previous prime is 3261220046239. The next prime is 3261220046263. The reversal of 3261220046256 is 6526400221623.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171413855 + ... + 1171416638.

It is an arithmetic number, because the mean of its divisors is an integer number (217883235942).

Almost surely, 2^{3261220046256} is an apocalyptic number.

It is an amenable number.

3261220046256 is an abundant number, since it is smaller than the sum of its proper divisors (5454109391424).

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

3261220046256 is a wasteful number, since it uses less digits than its factorization.

3261220046256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342830533 (or 2342830527 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 3261220046256 its reverse (6526400221623), we get a palindrome (9787620267879).

The spelling of 3261220046256 in words is "three trillion, two hundred sixty-one billion, two hundred twenty million, forty-six thousand, two hundred fifty-six".