478444516 has 24 divisors (see below), whose sum is σ = 914711616. Its totient is φ = 217161120.

The previous prime is 478444507. The next prime is 478444517. The reversal of 478444516 is 615444874.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (478444517) 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, 24510 + ... + 39466.

It is an arithmetic number, because the mean of its divisors is an integer number (38112984).

Almost surely, 2^478444516 is an apocalyptic number.

It is an amenable number.

478444516 is a deficient number, since it is larger than the sum of its proper divisors (436267100).

478444516 is a wasteful number, since it uses less digits than its factorization.

478444516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15699 (or 15697 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 478444516 is about 21873.3745910410. The cubic root of 478444516 is about 782.1268471613.

The spelling of 478444516 in words is "four hundred seventy-eight million, four hundred forty-four thousand, five hundred sixteen".