394444444458 has 8 divisors (see below), whose sum is σ = 788888888928. Its totient is φ = 131481481484.

The previous prime is 394444444453. The next prime is 394444444463. The reversal of 394444444458 is 854444444493.

It is an interprime number because it is at equal distance from previous prime (394444444453) and next prime (394444444463).

It is a sphenic number, since it is the product of 3 distinct primes.

394444444458 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 394444444398 and 394444444407.

It is not an unprimeable number, because it can be changed into a prime (394444444453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32870370366 + ... + 32870370377.

It is an arithmetic number, because the mean of its divisors is an integer number (98611111116).

Almost surely, 2^394444444458 is an apocalyptic number.

394444444458 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

394444444458 is a wasteful number, since it uses less digits than its factorization.

394444444458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65740740748.

The product of its digits is 70778880, while the sum is 57.

The spelling of 394444444458 in words is "three hundred ninety-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred fifty-eight".