395449148672 has 72 divisors (see below), whose sum is σ = 831375824160. Its totient is φ = 187210414080.

The previous prime is 395449148671. The next prime is 395449148687. The reversal of 395449148672 is 276841944593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395449148671) 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, 8786258 + ... + 8831150.

Almost surely, 2^395449148672 is an apocalyptic number.

395449148672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395449148672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415687912080).

395449148672 is an abundant number, since it is smaller than the sum of its proper divisors (435926675488).

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

395449148672 is a wasteful number, since it uses less digits than its factorization.

395449148672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46739 (or 46725 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 395449148672 in words is "three hundred ninety-five billion, four hundred forty-nine million, one hundred forty-eight thousand, six hundred seventy-two".