394460204064 has 48 divisors (see below), whose sum is σ = 1041178844160. Its totient is φ = 130760282880.

The previous prime is 394460204003. The next prime is 394460204069. The reversal of 394460204064 is 460402064493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (394460204069) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11333344 + ... + 11368095.

It is an arithmetic number, because the mean of its divisors is an integer number (21691225920).

Almost surely, 2^394460204064 is an apocalyptic number.

It is an amenable number.

394460204064 is an abundant number, since it is smaller than the sum of its proper divisors (646718640096).

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

394460204064 is a wasteful number, since it uses less digits than its factorization.

394460204064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22701633 (or 22701625 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 394460204064 in words is "three hundred ninety-four billion, four hundred sixty million, two hundred four thousand, sixty-four".