395486771616 has 60 divisors (see below), whose sum is σ = 1163115617202. Its totient is φ = 131828923008.

The previous prime is 395486771543. The next prime is 395486771633. The reversal of 395486771616 is 616177684593.

395486771616 is a `hidden beast` number, since 3 + 9 + 5 + 4 + 8 + 6 + 7 + 7 + 1 + 616 = 666.

It can be written as a sum of positive squares in only one way, i.e., 241084928016 + 154401843600 = 491004^2 + 392940^2 .

It is a super-2 number, since 2×395486771616² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 76287295 + ... + 76292478.

Almost surely, 2^395486771616 is an apocalyptic number.

395486771616 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

395486771616 is an abundant number, since it is smaller than the sum of its proper divisors (767628845586).

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

395486771616 is a wasteful number, since it uses less digits than its factorization.

395486771616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152579795 (or 152579778 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The spelling of 395486771616 in words is "three hundred ninety-five billion, four hundred eighty-six million, seven hundred seventy-one thousand, six hundred sixteen".