395815822832 has 160 divisors (see below), whose sum is σ = 861237734400. Its totient is φ = 175127961600.

The previous prime is 395815822811. The next prime is 395815822847. The reversal of 395815822832 is 238228518593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572815607 + ... + 572816297.

It is an arithmetic number, because the mean of its divisors is an integer number (5382735840).

Almost surely, 2^395815822832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395815822832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430618867200).

395815822832 is an abundant number, since it is smaller than the sum of its proper divisors (465421911568).

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

395815822832 is a wasteful number, since it uses less digits than its factorization.

395815822832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1409 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 56.

The spelling of 395815822832 in words is "three hundred ninety-five billion, eight hundred fifteen million, eight hundred twenty-two thousand, eight hundred thirty-two".