478980720 has 60 divisors (see below), whose sum is σ = 1608579336. Its totient is φ = 127728000.

The previous prime is 478980679. The next prime is 478980731. The reversal of 478980720 is 27089874.

It is a tau number, because it is divible by the number of its divisors (60).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331906 + ... + 333345.

Almost surely, 2^478980720 is an apocalyptic number.

478980720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

478980720 is an abundant number, since it is smaller than the sum of its proper divisors (1129598616).

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

478980720 is a wasteful number, since it uses less digits than its factorization.

478980720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665270 (or 665261 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 478980720 is about 21885.6281609644. The cubic root of 478980720 is about 782.4189207162.

The spelling of 478980720 in words is "four hundred seventy-eight million, nine hundred eighty thousand, seven hundred twenty".