8440894946 has 16 divisors (see below), whose sum is σ = 13845353760. Its totient is φ = 3827609280.

The previous prime is 8440894937. The next prime is 8440894949. The reversal of 8440894946 is 6494980448.

It is a junction number, because it is equal to n+sod(n) for n = 8440894891 and 8440894900.

It is not an unprimeable number, because it can be changed into a prime (8440894949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448631 + ... + 467066.

It is an arithmetic number, because the mean of its divisors is an integer number (865334610).

Almost surely, 2^8440894946 is an apocalyptic number.

8440894946 is a deficient number, since it is larger than the sum of its proper divisors (5404458814).

8440894946 is a wasteful number, since it uses less digits than its factorization.

8440894946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916129.

The product of its (nonzero) digits is 7962624, while the sum is 56.

The square root of 8440894946 is about 91874.3432411900. The cubic root of 8440894946 is about 2036.0862217954.

The spelling of 8440894946 in words is "eight billion, four hundred forty million, eight hundred ninety-four thousand, nine hundred forty-six".