478163280 has 160 divisors (see below), whose sum is σ = 1702533888. Its totient is φ = 108748800.

The previous prime is 478163239. The next prime is 478163327. The reversal of 478163280 is 82361874.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 404290 + ... + 405470.

Almost surely, 2^478163280 is an apocalyptic number.

478163280 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 478163280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (851266944).

478163280 is an abundant number, since it is smaller than the sum of its proper divisors (1224370608).

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

478163280 is a wasteful number, since it uses less digits than its factorization.

478163280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445 (or 1439 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 478163280 is about 21866.9449169288. The cubic root of 478163280 is about 781.9735689638.

The spelling of 478163280 in words is "four hundred seventy-eight million, one hundred sixty-three thousand, two hundred eighty".