3855681448 has 32 divisors (see below), whose sum is σ = 7291964160. Its totient is φ = 1911222720.

The previous prime is 3855681409. The next prime is 3855681449. The reversal of 3855681448 is 8441865583.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3855681395 and 3855681404.

It is not an unprimeable number, because it can be changed into a prime (3855681449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 504133 + ... + 511723.

It is an arithmetic number, because the mean of its divisors is an integer number (227873880).

Almost surely, 2^3855681448 is an apocalyptic number.

It is an amenable number.

3855681448 is a deficient number, since it is larger than the sum of its proper divisors (3436282712).

3855681448 is a wasteful number, since it uses less digits than its factorization.

3855681448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8137 (or 8133 counting only the distinct ones).

The product of its digits is 3686400, while the sum is 52.

The square root of 3855681448 is about 62094.1337647930. The cubic root of 3855681448 is about 1568.0757861554.

The spelling of 3855681448 in words is "three billion, eight hundred fifty-five million, six hundred eighty-one thousand, four hundred forty-eight".