395128423886 has 16 divisors (see below), whose sum is σ = 677372022240. Its totient is φ = 169338500640.

The previous prime is 395128423861. The next prime is 395128423919. The reversal of 395128423886 is 688324821593.

It is a super-2 number, since 2×395128423886² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320020 + ... + 1591448.

It is an arithmetic number, because the mean of its divisors is an integer number (42335751390).

Almost surely, 2^395128423886 is an apocalyptic number.

395128423886 is a deficient number, since it is larger than the sum of its proper divisors (282243598354).

395128423886 is a wasteful number, since it uses less digits than its factorization.

395128423886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375419.

The product of its digits is 19906560, while the sum is 59.

The spelling of 395128423886 in words is "three hundred ninety-five billion, one hundred twenty-eight million, four hundred twenty-three thousand, eight hundred eighty-six".