3855656112 has 160 divisors (see below), whose sum is σ = 12444917760. Its totient is φ = 999317760.

The previous prime is 3855656089. The next prime is 3855656143. The reversal of 3855656112 is 2116565583.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2434873 + ... + 2436455.

It is an arithmetic number, because the mean of its divisors is an integer number (77780736).

Almost surely, 2^3855656112 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 3855656112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6222458880).

3855656112 is an abundant number, since it is smaller than the sum of its proper divisors (8589261648).

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

3855656112 is a wasteful number, since it uses less digits than its factorization.

3855656112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2265 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The square root of 3855656112 is about 62093.9297516271. The cubic root of 3855656112 is about 1568.0723514963.

The spelling of 3855656112 in words is "three billion, eight hundred fifty-five million, six hundred fifty-six thousand, one hundred twelve".