395453743872 has 72 divisors (see below), whose sum is σ = 1148164019520. Its totient is φ = 119834465280.

The previous prime is 395453743849. The next prime is 395453743901. The reversal of 395453743872 is 278347354593.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23396722 + ... + 23413617.

Almost surely, 2^395453743872 is an apocalyptic number.

395453743872 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

395453743872 is an abundant number, since it is smaller than the sum of its proper divisors (752710275648).

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

395453743872 is a wasteful number, since it uses less digits than its factorization.

395453743872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46810369 (or 46810355 counting only the distinct ones).

The product of its digits is 76204800, while the sum is 60.

The spelling of 395453743872 in words is "three hundred ninety-five billion, four hundred fifty-three million, seven hundred forty-three thousand, eight hundred seventy-two".