394444444460 has 48 divisors (see below), whose sum is σ = 956791452960. Its totient is φ = 134997027840.

The previous prime is 394444444453. The next prime is 394444444463. The reversal of 394444444460 is 64444444493.

It is a junction number, because it is equal to n+sod(n) for n = 394444444399 and 394444444408.

It is not an unprimeable number, because it can be changed into a prime (394444444463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52729475 + ... + 52736954.

It is an arithmetic number, because the mean of its divisors is an integer number (19933155270).

Almost surely, 2^394444444460 is an apocalyptic number.

It is an amenable number.

394444444460 is an abundant number, since it is smaller than the sum of its proper divisors (562347008500).

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

394444444460 is a wasteful number, since it uses less digits than its factorization.

394444444460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105466466 (or 105466464 counting only the distinct ones).

The product of its (nonzero) digits is 10616832, while the sum is 50.

The spelling of 394444444460 in words is "three hundred ninety-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred sixty".