3817820435144 has 32 divisors (see below), whose sum is σ = 7250954941440. Its totient is φ = 1884272424000.

The previous prime is 3817820435131. The next prime is 3817820435147. The reversal of 3817820435144 is 4415340287183.

It is a junction number, because it is equal to n+sod(n) for n = 3817820435092 and 3817820435101.

It is not an unprimeable number, because it can be changed into a prime (3817820435147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1733447 + ... + 3261974.

It is an arithmetic number, because the mean of its divisors is an integer number (226592341920).

Almost surely, 2^{3817820435144} is an apocalyptic number.

It is an amenable number.

3817820435144 is a deficient number, since it is larger than the sum of its proper divisors (3433134506296).

3817820435144 is a wasteful number, since it uses less digits than its factorization.

3817820435144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4996661 (or 4996657 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 3817820435144 in words is "three trillion, eight hundred seventeen billion, eight hundred twenty million, four hundred thirty-five thousand, one hundred forty-four".