478614516 has 12 divisors (see below), whose sum is σ = 1116767232. Its totient is φ = 159538168.

The previous prime is 478614511. The next prime is 478614517. The reversal of 478614516 is 615416874.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478614511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19942260 + ... + 19942283.

It is an arithmetic number, because the mean of its divisors is an integer number (93063936).

Almost surely, 2^478614516 is an apocalyptic number.

It is an amenable number.

478614516 is an abundant number, since it is smaller than the sum of its proper divisors (638152716).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478614516 is a wasteful number, since it uses less digits than its factorization.

478614516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39884550 (or 39884548 counting only the distinct ones).

The product of its digits is 161280, while the sum is 42.

The square root of 478614516 is about 21877.2602489434. The cubic root of 478614516 is about 782.2194708023.

The spelling of 478614516 in words is "four hundred seventy-eight million, six hundred fourteen thousand, five hundred sixteen".