394922366160000 has 320 divisors, whose sum is σ = 1498109793660480. Its totient is φ = 90267969024000.

The previous prime is 394922366159999. The next prime is 394922366160029. The reversal of 394922366160000 is 61663229493.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (320).

It is a super-2 number, since 2×394922366160000² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 115856419 + ... + 119216418.

It is an arithmetic number, because the mean of its divisors is an integer number (4681593105189).

Almost surely, 2^{394922366160000} is an apocalyptic number.

394922366160000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

394922366160000 is an abundant number, since it is smaller than the sum of its proper divisors (1103187427500480).

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

394922366160000 is an equidigital number, since it uses as much as digits as its factorization.

394922366160000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235072881 (or 235072854 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 51.

The spelling of 394922366160000 in words is "three hundred ninety-four trillion, nine hundred twenty-two billion, three hundred sixty-six million, one hundred sixty thousand".