385846513844 has 72 divisors (see below), whose sum is σ = 744985269000. Its totient is φ = 174727168000.

The previous prime is 385846513841. The next prime is 385846513849. The reversal of 385846513844 is 448315648583.

It can be written as a sum of positive squares in 4 ways, for example, as 84651902500 + 301194611344 = 290950^2 + 548812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385846513841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 241002644 + ... + 241004244.

It is an arithmetic number, because the mean of its divisors is an integer number (10347017625).

Almost surely, 2^385846513844 is an apocalyptic number.

It is an amenable number.

385846513844 is a deficient number, since it is larger than the sum of its proper divisors (359138755156).

385846513844 is a wasteful number, since it uses less digits than its factorization.

385846513844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3185 (or 3172 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 59.

The spelling of 385846513844 in words is "three hundred eighty-five billion, eight hundred forty-six million, five hundred thirteen thousand, eight hundred forty-four".