3261849256280 has 32 divisors (see below), whose sum is σ = 7356110428800. Its totient is φ = 1301726439936.

The previous prime is 3261849256277. The next prime is 3261849256349. The reversal of 3261849256280 is 826529481623.

It is a congruent number.

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, 94146920 + ... + 94181559.

It is an arithmetic number, because the mean of its divisors is an integer number (229878450900).

Almost surely, 2^{3261849256280} is an apocalyptic number.

It is an amenable number.

3261849256280 is an abundant number, since it is smaller than the sum of its proper divisors (4094261172520).

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

3261849256280 is a wasteful number, since it uses less digits than its factorization.

3261849256280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188328923 (or 188328919 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 56.

The spelling of 3261849256280 in words is "three trillion, two hundred sixty-one billion, eight hundred forty-nine million, two hundred fifty-six thousand, two hundred eighty".