478306480 has 20 divisors (see below), whose sum is σ = 1112062752. Its totient is φ = 191322560.

The previous prime is 478306469. The next prime is 478306487. The reversal of 478306480 is 84603874.

It is a tau number, because it is divible by the number of its divisors (20).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (478306487) 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, 2989336 + ... + 2989495.

Almost surely, 2^478306480 is an apocalyptic number.

478306480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478306480 is an abundant number, since it is smaller than the sum of its proper divisors (633756272).

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

478306480 is a wasteful number, since it uses less digits than its factorization.

478306480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5978844 (or 5978838 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 478306480 is about 21870.2190203939. The cubic root of 478306480 is about 782.0516228025.

The spelling of 478306480 in words is "four hundred seventy-eight million, three hundred six thousand, four hundred eighty".