4478563394 has 16 divisors (see below), whose sum is σ = 6789037632. Its totient is φ = 2215589328.

The previous prime is 4478563337. The next prime is 4478563447. The reversal of 4478563394 is 4933658744.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240917 + ... + 258839.

It is an arithmetic number, because the mean of its divisors is an integer number (424314852).

Almost surely, 2^4478563394 is an apocalyptic number.

4478563394 is a deficient number, since it is larger than the sum of its proper divisors (2310474238).

4478563394 is a wasteful number, since it uses less digits than its factorization.

4478563394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19241.

The product of its digits is 8709120, while the sum is 53.

The square root of 4478563394 is about 66922.0695585544. The cubic root of 4478563394 is about 1648.3378908709.

The spelling of 4478563394 in words is "four billion, four hundred seventy-eight million, five hundred sixty-three thousand, three hundred ninety-four".