478416645 has 96 divisors (see below), whose sum is σ = 1021731840. Its totient is φ = 211559040.

The previous prime is 478416613. The next prime is 478416647. The reversal of 478416645 is 546614874.

It is not a de Polignac number, because 478416645 - 2⁵ = 478416613 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 478416645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478416647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 203899 + ... + 206231.

It is an arithmetic number, because the mean of its divisors is an integer number (10643040).

Almost surely, 2^478416645 is an apocalyptic number.

478416645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478416645 is an abundant number, since it is smaller than the sum of its proper divisors (543315195).

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

478416645 is a wasteful number, since it uses less digits than its factorization.

478416645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2392 (or 2379 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 478416645 is about 21872.7374829947. The cubic root of 478416645 is about 782.1116596944. Note that the first 3 decimals are identical.

The spelling of 478416645 in words is "four hundred seventy-eight million, four hundred sixteen thousand, six hundred forty-five".