385844635782 has 40 divisors (see below), whose sum is σ = 867027152376. Its totient is φ = 128250511488.

The previous prime is 385844635661. The next prime is 385844635783. The reversal of 385844635782 is 287536448583.

385844635782 is a `hidden beast` number, since 3 + 8 + 58 + 4 + 4 + 6 + 3 + 578 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385844635783) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3316408 + ... + 3430779.

Almost surely, 2^385844635782 is an apocalyptic number.

385844635782 is an abundant number, since it is smaller than the sum of its proper divisors (481182516594).

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

385844635782 is a wasteful number, since it uses less digits than its factorization.

385844635782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6747554 (or 6747545 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 63.

The spelling of 385844635782 in words is "three hundred eighty-five billion, eight hundred forty-four million, six hundred thirty-five thousand, seven hundred eighty-two".