394108132608 has 288 divisors, whose sum is σ = 1204982804480. Its totient is φ = 126926714880.

The previous prime is 394108132601. The next prime is 394108132667. The reversal of 394108132608 is 806231801493.

394108132608 is a `hidden beast` number, since 3 + 9 + 4 + 1 + 0 + 8 + 1 + 32 + 608 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394108132601) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 189201135 + ... + 189203217.

Almost surely, 2^394108132608 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 394108132608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (602491402240).

394108132608 is an abundant number, since it is smaller than the sum of its proper divisors (810874671872).

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

394108132608 is a wasteful number, since it uses less digits than its factorization.

394108132608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3022 (or 3002 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 394108132608 in words is "three hundred ninety-four billion, one hundred eight million, one hundred thirty-two thousand, six hundred eight".