385709829832 has 8 divisors (see below), whose sum is σ = 723205930950. Its totient is φ = 192854914912.

The previous prime is 385709829797. The next prime is 385709829847. The reversal of 385709829832 is 238928907583.

It can be written as a sum of positive squares in only one way, i.e., 342850065156 + 42859764676 = 585534^2 + 207026^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24106864357 + ... + 24106864372.

Almost surely, 2^385709829832 is an apocalyptic number.

It is an amenable number.

385709829832 is a deficient number, since it is larger than the sum of its proper divisors (337496101118).

385709829832 is a wasteful number, since it uses less digits than its factorization.

385709829832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48213728735 (or 48213728731 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 64.

The spelling of 385709829832 in words is "three hundred eighty-five billion, seven hundred nine million, eight hundred twenty-nine thousand, eight hundred thirty-two".