394534018848 has 96 divisors (see below), whose sum is σ = 1040041416960. Its totient is φ = 130954475520.

The previous prime is 394534018841. The next prime is 394534018913. The reversal of 394534018848 is 848810435493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (394534018841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70994886 + ... + 71000442.

It is an arithmetic number, because the mean of its divisors is an integer number (10833764760).

Almost surely, 2^394534018848 is an apocalyptic number.

It is an amenable number.

394534018848 is an abundant number, since it is smaller than the sum of its proper divisors (645507398112).

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

394534018848 is a wasteful number, since it uses less digits than its factorization.

394534018848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8570 (or 8562 counting only the distinct ones).

The product of its (nonzero) digits is 13271040, while the sum is 57.

The spelling of 394534018848 in words is "three hundred ninety-four billion, five hundred thirty-four million, eighteen thousand, eight hundred forty-eight".