9418380446 has 32 divisors (see below), whose sum is σ = 15547161600. Its totient is φ = 4259265120.

The previous prime is 9418380421. The next prime is 9418380467. The reversal of 9418380446 is 6440838149.

It is a self number, because there is not a number n which added to its sum of digits gives 9418380446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462875 + ... + 482793.

It is an arithmetic number, because the mean of its divisors is an integer number (485848800).

Almost surely, 2^9418380446 is an apocalyptic number.

9418380446 is a deficient number, since it is larger than the sum of its proper divisors (6128781154).

9418380446 is a wasteful number, since it uses less digits than its factorization.

9418380446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20504.

The product of its (nonzero) digits is 663552, while the sum is 47.

The square root of 9418380446 is about 97048.3407689178. The cubic root of 9418380446 is about 2111.8289694910.

The spelling of 9418380446 in words is "nine billion, four hundred eighteen million, three hundred eighty thousand, four hundred forty-six".