395224965820 has 12 divisors (see below), whose sum is σ = 829972428264. Its totient is φ = 158089986320.

The previous prime is 395224965809. The next prime is 395224965823. The reversal of 395224965820 is 28569422593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395224965823) 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 3 ways as a sum of consecutive naturals, for example, 9880624126 + ... + 9880624165.

It is an arithmetic number, because the mean of its divisors is an integer number (69164369022).

Almost surely, 2^395224965820 is an apocalyptic number.

It is an amenable number.

395224965820 is an abundant number, since it is smaller than the sum of its proper divisors (434747462444).

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

395224965820 is a wasteful number, since it uses less digits than its factorization.

395224965820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19761248300 (or 19761248298 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 395224965820 in words is "three hundred ninety-five billion, two hundred twenty-four million, nine hundred sixty-five thousand, eight hundred twenty".