8408448945 has 64 divisors (see below), whose sum is σ = 16249040640. Its totient is φ = 4100765184.

The previous prime is 8408448929. The next prime is 8408448953. The reversal of 8408448945 is 5498448048.

It is a happy number.

8408448945 is a `hidden beast` number, since 8 + 40 + 84 + 489 + 45 = 666.

It is not a de Polignac number, because 8408448945 - 2⁴ = 8408448929 is a prime.

It is a super-2 number, since 2×8408448945² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8408448891 and 8408448900.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 165397 + ... + 210173.

It is an arithmetic number, because the mean of its divisors is an integer number (253891260).

Almost surely, 2^8408448945 is an apocalyptic number.

It is an amenable number.

8408448945 is a deficient number, since it is larger than the sum of its proper divisors (7840591695).

8408448945 is a wasteful number, since it uses less digits than its factorization.

8408448945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44911 (or 44905 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The square root of 8408448945 is about 91697.5950884209. The cubic root of 8408448945 is about 2033.4740310387.

The spelling of 8408448945 in words is "eight billion, four hundred eight million, four hundred forty-eight thousand, nine hundred forty-five".