478107520 has 128 divisors (see below), whose sum is σ = 1260010080. Its totient is φ = 172032000.

The previous prime is 478107517. The next prime is 478107521. The reversal of 478107520 is 25701874.

It is a happy number.

478107520 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478107521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795220 + ... + 795820.

Almost surely, 2^478107520 is an apocalyptic number.

478107520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478107520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (630005040).

478107520 is an abundant number, since it is smaller than the sum of its proper divisors (781902560).

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

478107520 is a wasteful number, since it uses less digits than its factorization.

478107520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744 (or 732 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 478107520 is about 21865.6698959808. The cubic root of 478107520 is about 781.9431717174.

The spelling of 478107520 in words is "four hundred seventy-eight million, one hundred seven thousand, five hundred twenty".