3851205552 has 30 divisors (see below), whose sum is σ = 10778027052. Its totient is φ = 1283735136.

The previous prime is 3851205529. The next prime is 3851205559. The reversal of 3851205552 is 2555021583.

3851205552 is a `hidden beast` number, since 3 + 85 + 1 + 20 + 5 + 552 = 666.

It is a super-3 number, since 3×3851205552³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3851205559) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13372098 + ... + 13372385.

Almost surely, 2^3851205552 is an apocalyptic number.

It is an amenable number.

3851205552 is an abundant number, since it is smaller than the sum of its proper divisors (6926821500).

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

3851205552 is a wasteful number, since it uses less digits than its factorization.

3851205552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26744497 (or 26744488 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 36.

The square root of 3851205552 is about 62058.0820844473. The cubic root of 3851205552 is about 1567.4687804653.

The spelling of 3851205552 in words is "three billion, eight hundred fifty-one million, two hundred five thousand, five hundred fifty-two".