3810865845252 has 48 divisors (see below), whose sum is σ = 9141751305792. Its totient is φ = 1234683480960.

The previous prime is 3810865845217. The next prime is 3810865845253. The reversal of 3810865845252 is 2525485680183.

It is a junction number, because it is equal to n+sod(n) for n = 3810865845192 and 3810865845201.

It is not an unprimeable number, because it can be changed into a prime (3810865845253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3988563 + ... + 4850810.

It is an arithmetic number, because the mean of its divisors is an integer number (190453152204).

Almost surely, 2^{3810865845252} is an apocalyptic number.

It is an amenable number.

3810865845252 is an abundant number, since it is smaller than the sum of its proper divisors (5330885460540).

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

3810865845252 is a wasteful number, since it uses less digits than its factorization.

3810865845252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8840388 (or 8840386 counting only the distinct ones).

The product of its (nonzero) digits is 18432000, while the sum is 57.

The spelling of 3810865845252 in words is "three trillion, eight hundred ten billion, eight hundred sixty-five million, eight hundred forty-five thousand, two hundred fifty-two".