394366563360 has 1152 divisors, whose sum is σ = 1781154385920. Its totient is φ = 77025484800.

The previous prime is 394366563323. The next prime is 394366563373. The reversal of 394366563360 is 63365663493.

It is a happy number.

394366563360 is a `hidden beast` number, since 3 + 9 + 43 + 6 + 6 + 563 + 36 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 394366563297 and 394366563306.

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, 150462850 + ... + 150465470.

It is an arithmetic number, because the mean of its divisors is an integer number (1546140960).

Almost surely, 2^394366563360 is an apocalyptic number.

394366563360 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 394366563360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (890577192960).

394366563360 is an abundant number, since it is smaller than the sum of its proper divisors (1386787822560).

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

394366563360 is a wasteful number, since it uses less digits than its factorization.

394366563360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2731 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 54.

The spelling of 394366563360 in words is "three hundred ninety-four billion, three hundred sixty-six million, five hundred sixty-three thousand, three hundred sixty".