394564984352 has 192 divisors, whose sum is σ = 1010972793600. Its totient is φ = 147117772800.

The previous prime is 394564984321. The next prime is 394564984379. The reversal of 394564984352 is 253489465493.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5525774 + ... + 5596722.

It is an arithmetic number, because the mean of its divisors is an integer number (5265483300).

Almost surely, 2^394564984352 is an apocalyptic number.

394564984352 is a gapful number since it is divisible by the number (32) 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 394564984352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (505486396800).

394564984352 is an abundant number, since it is smaller than the sum of its proper divisors (616407809248).

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

394564984352 is a wasteful number, since it uses less digits than its factorization.

394564984352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71075 (or 71067 counting only the distinct ones).

The product of its digits is 111974400, while the sum is 62.

The spelling of 394564984352 in words is "three hundred ninety-four billion, five hundred sixty-four million, nine hundred eighty-four thousand, three hundred fifty-two".