395195843220 has 24 divisors (see below), whose sum is σ = 1106548361184. Its totient is φ = 105385558176.

The previous prime is 395195843213. The next prime is 395195843261. The reversal of 395195843220 is 22348591593.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3293298634 + ... + 3293298753.

It is an arithmetic number, because the mean of its divisors is an integer number (46106181716).

Almost surely, 2^395195843220 is an apocalyptic number.

395195843220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395195843220 is an abundant number, since it is smaller than the sum of its proper divisors (711352517964).

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

395195843220 is a wasteful number, since it uses less digits than its factorization.

395195843220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6586597399 (or 6586597397 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 51.

The spelling of 395195843220 in words is "three hundred ninety-five billion, one hundred ninety-five million, eight hundred forty-three thousand, two hundred twenty".