385640020182 has 16 divisors (see below), whose sum is σ = 771303527280. Its totient is φ = 128542758912.

The previous prime is 385640020159. The next prime is 385640020189. The reversal of 385640020182 is 281020046583.

It is a self number, because there is not a number n which added to its sum of digits gives 385640020182.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385640020189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761463 + ... + 1162370.

It is an arithmetic number, because the mean of its divisors is an integer number (48206470455).

Almost surely, 2^385640020182 is an apocalyptic number.

385640020182 is an abundant number, since it is smaller than the sum of its proper divisors (385663507098).

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

385640020182 is a wasteful number, since it uses less digits than its factorization.

385640020182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1957247.

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 385640020182 in words is "three hundred eighty-five billion, six hundred forty million, twenty thousand, one hundred eighty-two".