394374242304 has 168 divisors, whose sum is σ = 1301983222800. Its totient is φ = 112678207488.

The previous prime is 394374242261. The next prime is 394374242329. The reversal of 394374242304 is 403242473493.

394374242304 is a `hidden beast` number, since 3 + 9 + 4 + 374 + 242 + 30 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (168).

It is a self number, because there is not a number n which added to its sum of digits gives 394374242304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134022 + ... + 898170.

Almost surely, 2^394374242304 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 394374242304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (650991611400).

394374242304 is an abundant number, since it is smaller than the sum of its proper divisors (907608980496).

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

394374242304 is an equidigital number, since it uses as much as digits as its factorization.

394374242304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764188 (or 764161 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 45.

The spelling of 394374242304 in words is "three hundred ninety-four billion, three hundred seventy-four million, two hundred forty-two thousand, three hundred four".