395439796016 has 90 divisors (see below), whose sum is σ = 791014533660. Its totient is φ = 191453230080.

The previous prime is 395439796009. The next prime is 395439796019. The reversal of 395439796016 is 610697934593.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 395439796016.

It is not an unprimeable number, because it can be changed into a prime (395439796019) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1874122151 + ... + 1874122361.

It is an arithmetic number, because the mean of its divisors is an integer number (8789050374).

Almost surely, 2^395439796016 is an apocalyptic number.

It is an amenable number.

395439796016 is an abundant number, since it is smaller than the sum of its proper divisors (395574737644).

395439796016 is an frugal number, since it uses more digits than its factorization.

395439796016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 33067440, while the sum is 62.

The spelling of 395439796016 in words is "three hundred ninety-five billion, four hundred thirty-nine million, seven hundred ninety-six thousand, sixteen".