394444444450 has 96 divisors (see below), whose sum is σ = 851929937280. Its totient is φ = 133082611200.

The previous prime is 394444444403. The next prime is 394444444453. The reversal of 394444444450 is 54444444493.

It is a junction number, because it is equal to n+sod(n) for n = 394444444394 and 394444444403.

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 47 ways as a sum of consecutive naturals, for example, 6542644 + ... + 6602656.

It is an arithmetic number, because the mean of its divisors is an integer number (8874270180).

Almost surely, 2^394444444450 is an apocalyptic number.

394444444450 is an abundant number, since it is smaller than the sum of its proper divisors (457485492830).

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

394444444450 is a wasteful number, since it uses less digits than its factorization.

394444444450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60332 (or 60327 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 49.

The spelling of 394444444450 in words is "three hundred ninety-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred fifty".