385710086320 has 80 divisors (see below), whose sum is σ = 980173202400. Its totient is φ = 140290394112.

The previous prime is 385710086291. The next prime is 385710086327. The reversal of 385710086320 is 23680017583.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×385710086320² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (385710086327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2698045 + ... + 2837404.

It is an arithmetic number, because the mean of its divisors is an integer number (12252165030).

Almost surely, 2^385710086320 is an apocalyptic number.

It is an amenable number.

385710086320 is an abundant number, since it is smaller than the sum of its proper divisors (594463116080).

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

385710086320 is a wasteful number, since it uses less digits than its factorization.

385710086320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5535542 (or 5535536 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 385710086320 in words is "three hundred eighty-five billion, seven hundred ten million, eighty-six thousand, three hundred twenty".