3856128276250 has 40 divisors (see below), whose sum is σ = 7236362838276. Its totient is φ = 1540651056000.

The previous prime is 3856128276229. The next prime is 3856128276313. The reversal of 3856128276250 is 526728216583.

It can be written as a sum of positive squares in 10 ways, for example, as 435881205369 + 3420247070881 = 660213^2 + 1849391^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3856128276191 and 3856128276200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 728577 + ... + 2871076.

Almost surely, 2^{3856128276250} is an apocalyptic number.

3856128276250 is a deficient number, since it is larger than the sum of its proper divisors (3380234562026).

3856128276250 is an equidigital number, since it uses as much as digits as its factorization.

3856128276250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3600532 (or 3600517 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 3856128276250 in words is "three trillion, eight hundred fifty-six billion, one hundred twenty-eight million, two hundred seventy-six thousand, two hundred fifty".