394106598058140 has 576 divisors, whose sum is σ = 1402824294144000. Its totient is φ = 91078708331520.

The previous prime is 394106598058109. The next prime is 394106598058189. The reversal of 394106598058140 is 41850895601493.

394106598058140 is a `hidden beast` number, since 3 + 9 + 4 + 1 + 0 + 6 + 5 + 9 + 8 + 0 + 581 + 40 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 394148346 + ... + 395146974.

It is an arithmetic number, because the mean of its divisors is an integer number (2435458844000).

Almost surely, 2^{394106598058140} is an apocalyptic number.

394106598058140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 394106598058140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701412147072000).

394106598058140 is an abundant number, since it is smaller than the sum of its proper divisors (1008717696085860).

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

394106598058140 is a wasteful number, since it uses less digits than its factorization.

394106598058140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998795 (or 998758 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 63.

The spelling of 394106598058140 in words is "three hundred ninety-four trillion, one hundred six billion, five hundred ninety-eight million, fifty-eight thousand, one hundred forty".