3811328680 has 32 divisors (see below), whose sum is σ = 8613964800. Its totient is φ = 1517691456.

The previous prime is 3811328621. The next prime is 3811328687. The reversal of 3811328680 is 868231183.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (3811328687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204720 + ... + 222559.

It is an arithmetic number, because the mean of its divisors is an integer number (269186400).

Almost surely, 2^3811328680 is an apocalyptic number.

It is an amenable number.

3811328680 is an abundant number, since it is smaller than the sum of its proper divisors (4802636120).

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

3811328680 is a wasteful number, since it uses less digits than its factorization.

3811328680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427513 (or 427509 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 3811328680 is about 61735.9593753916. The cubic root of 3811328680 is about 1562.0399403302.

The spelling of 3811328680 in words is "three billion, eight hundred eleven million, three hundred twenty-eight thousand, six hundred eighty".