3261996444 has 72 divisors (see below), whose sum is σ = 9159348240. Its totient is φ = 899856384.

The previous prime is 3261996427. The next prime is 3261996509. The reversal of 3261996444 is 4446991623.

3261996444 is digitally balanced in base 2 and base 4, because in such bases 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 = 3261996393 and 3261996402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78597 + ... + 112700.

It is an arithmetic number, because the mean of its divisors is an integer number (127213170).

Almost surely, 2^3261996444 is an apocalyptic number.

It is an amenable number.

3261996444 is an abundant number, since it is smaller than the sum of its proper divisors (5897351796).

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

3261996444 is a wasteful number, since it uses less digits than its factorization.

3261996444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191347 (or 191338 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 48.

The square root of 3261996444 is about 57113.8901144021. The cubic root of 3261996444 is about 1483.0683306024.

The spelling of 3261996444 in words is "three billion, two hundred sixty-one million, nine hundred ninety-six thousand, four hundred forty-four".