395037994472 has 128 divisors (see below), whose sum is σ = 861971742720. Its totient is φ = 168043680000.

The previous prime is 395037994433. The next prime is 395037994487. The reversal of 395037994472 is 274499730593.

It is a Harshad number since it is a multiple of its sum of digits (62).

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 31 ways as a sum of consecutive naturals, for example, 11831033 + ... + 11864375.

It is an arithmetic number, because the mean of its divisors is an integer number (6734154240).

Almost surely, 2^395037994472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395037994472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430985871360).

395037994472 is an abundant number, since it is smaller than the sum of its proper divisors (466933748248).

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

395037994472 is a wasteful number, since it uses less digits than its factorization.

395037994472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33535 (or 33531 counting only the distinct ones).

The product of its (nonzero) digits is 51438240, while the sum is 62.

The spelling of 395037994472 in words is "three hundred ninety-five billion, thirty-seven million, nine hundred ninety-four thousand, four hundred seventy-two".