3805012008 has 192 divisors, whose sum is σ = 12025653120. Its totient is φ = 1064448000.

The previous prime is 3805011989. The next prime is 3805012021. The reversal of 3805012008 is 8002105083.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9488608 + ... + 9489008.

It is an arithmetic number, because the mean of its divisors is an integer number (62633610).

Almost surely, 2^3805012008 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 3805012008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6012826560).

3805012008 is an abundant number, since it is smaller than the sum of its proper divisors (8220641112).

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

3805012008 is a wasteful number, since it uses less digits than its factorization.

3805012008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 761 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 3805012008 is about 61684.7793868147. The cubic root of 3805012008 is about 1561.1765187832.

The spelling of 3805012008 in words is "three billion, eight hundred five million, twelve thousand, eight".