3851855064 has 24 divisors (see below), whose sum is σ = 10432107660. Its totient is φ = 1283951664.

The previous prime is 3851855039. The next prime is 3851855101. The reversal of 3851855064 is 4605581583.

3851855064 is a `hidden beast` number, since 3 + 85 + 18 + 550 + 6 + 4 = 666.

3851855064 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 (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26748922 + ... + 26749065.

Almost surely, 2^3851855064 is an apocalyptic number.

It is an amenable number.

3851855064 is an abundant number, since it is smaller than the sum of its proper divisors (6580252596).

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

3851855064 is a wasteful number, since it uses less digits than its factorization.

3851855064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53497999 (or 53497992 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The square root of 3851855064 is about 62063.3149614166. The cubic root of 3851855064 is about 1567.5568942209.

The spelling of 3851855064 in words is "three billion, eight hundred fifty-one million, eight hundred fifty-five thousand, sixty-four".