3681348944 has 40 divisors (see below), whose sum is σ = 8778604800. Its totient is φ = 1456357248.

The previous prime is 3681348907. The next prime is 3681348953. The reversal of 3681348944 is 4498431863.

It is a junction number, because it is equal to n+sod(n) for n = 3681348892 and 3681348901.

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, 1262744 + ... + 1265655.

It is an arithmetic number, because the mean of its divisors is an integer number (219465120).

Almost surely, 2^3681348944 is an apocalyptic number.

It is an amenable number.

3681348944 is an abundant number, since it is smaller than the sum of its proper divisors (5097255856).

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

3681348944 is a wasteful number, since it uses less digits than its factorization.

3681348944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2528427 (or 2528421 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 50.

The square root of 3681348944 is about 60674.1208753782. The cubic root of 3681348944 is about 1544.0771458675.

The spelling of 3681348944 in words is "three billion, six hundred eighty-one million, three hundred forty-eight thousand, nine hundred forty-four".