395665466442 has 32 divisors (see below), whose sum is σ = 804454654464. Its totient is φ = 129702014400.

The previous prime is 395665466423. The next prime is 395665466467. The reversal of 395665466442 is 244664566593.

It is a super-2 number, since 2×395665466442² (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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1903588 + ... + 2101184.

It is an arithmetic number, because the mean of its divisors is an integer number (25139207952).

Almost surely, 2^395665466442 is an apocalyptic number.

395665466442 is an abundant number, since it is smaller than the sum of its proper divisors (408789188022).

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

395665466442 is a wasteful number, since it uses less digits than its factorization.

395665466442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203134.

The product of its digits is 111974400, while the sum is 60.

The spelling of 395665466442 in words is "three hundred ninety-five billion, six hundred sixty-five million, four hundred sixty-six thousand, four hundred forty-two".