3851805552 has 160 divisors (see below), whose sum is σ = 12357304320. Its totient is φ = 1008910080.

The previous prime is 3851805527. The next prime is 3851805563. The reversal of 3851805552 is 2555081583.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 188173 + ... + 207635.

It is an arithmetic number, because the mean of its divisors is an integer number (77233152).

Almost surely, 2^3851805552 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 3851805552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6178652160).

3851805552 is an abundant number, since it is smaller than the sum of its proper divisors (8505498768).

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

3851805552 is a wasteful number, since it uses less digits than its factorization.

3851805552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19531 (or 19525 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 42.

The square root of 3851805552 is about 62062.9160771551. The cubic root of 3851805552 is about 1567.5501776987.

The spelling of 3851805552 in words is "three billion, eight hundred fifty-one million, eight hundred five thousand, five hundred fifty-two".