394818480000 has 2160 divisors, whose sum is σ = 1799220440160. Its totient is φ = 82736640000.

The previous prime is 394818479971. The next prime is 394818480053. The reversal of 394818480000 is 84818493.

394818480000 is a `hidden beast` number, since 3 + 94 + 81 + 8 + 480 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 269 ways as a sum of consecutive naturals, for example, 12736079985 + ... + 12736080015.

It is an arithmetic number, because the mean of its divisors is an integer number (832972426).

Almost surely, 2^394818480000 is an apocalyptic number.

394818480000 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 394818480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (899610220080).

394818480000 is an abundant number, since it is smaller than the sum of its proper divisors (1404401960160).

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

394818480000 is a wasteful number, since it uses less digits than its factorization.

394818480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 67 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The spelling of 394818480000 in words is "three hundred ninety-four billion, eight hundred eighteen million, four hundred eighty thousand".