3681334320 has 80 divisors (see below), whose sum is σ = 11780293632. Its totient is φ = 950019840.

The previous prime is 3681334313. The next prime is 3681334331. The reversal of 3681334320 is 234331863.

3681334320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239962 + ... + 254841.

Almost surely, 2^3681334320 is an apocalyptic number.

3681334320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3681334320 is an abundant number, since it is smaller than the sum of its proper divisors (8098959312).

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

3681334320 is a wasteful number, since it uses less digits than its factorization.

3681334320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494850 (or 494844 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 3681334320 is about 60674.0003625935. Note that the first 3 decimals coincide. The cubic root of 3681334320 is about 1544.0751012715.

The spelling of 3681334320 in words is "three billion, six hundred eighty-one million, three hundred thirty-four thousand, three hundred twenty".