394214933360 has 80 divisors (see below), whose sum is σ = 932318765280. Its totient is φ = 154974366720.

The previous prime is 394214933327. The next prime is 394214933449. The reversal of 394214933360 is 63339412493.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25163930 + ... + 25179590.

It is an arithmetic number, because the mean of its divisors is an integer number (11653984566).

Almost surely, 2^394214933360 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 394214933360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (466159382640).

394214933360 is an abundant number, since it is smaller than the sum of its proper divisors (538103831920).

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

394214933360 is a wasteful number, since it uses less digits than its factorization.

394214933360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21066 (or 21060 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 47.

The spelling of 394214933360 in words is "three hundred ninety-four billion, two hundred fourteen million, nine hundred thirty-three thousand, three hundred sixty".