3261630555444 has 96 divisors (see below), whose sum is σ = 8072865360000. Its totient is φ = 1022051229696.

The previous prime is 3261630555397. The next prime is 3261630555467. The reversal of 3261630555444 is 4445550361623.

3261630555444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 3261630555393 and 3261630555402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34230172 + ... + 34325324.

It is an arithmetic number, because the mean of its divisors is an integer number (84092347500).

Almost surely, 2^{3261630555444} 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 3261630555444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4036432680000).

3261630555444 is an abundant number, since it is smaller than the sum of its proper divisors (4811234804556).

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

3261630555444 is a wasteful number, since it uses less digits than its factorization.

3261630555444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96337 (or 96335 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 48.

The spelling of 3261630555444 in words is "three trillion, two hundred sixty-one billion, six hundred thirty million, five hundred fifty-five thousand, four hundred forty-four".